˹ѧ¹ҡ IHO, EAHC, NIOHC
  2019
 ͹ Ҥ
ӴѺ ... ͧ Ţ ͧ ACTION ôԹâͧ .
61.
03/10/19 IHO
CIRCULAR LETTER 51/2019
ADOPTION OF EDITION 4.2.0 OF PUBLICATION B-6 STANDARDIZATION OF UNDERSEA FEATURE NAMES ͷҺ Թ
60.
02/10/19 IHO
CIRCULAR LETTER 50/2019
OUTCOMES OF THE 11TH MEETING OF THE SUB-COMMITTEE ON THE WORLD-WIDE NAVIGATIONAL WARNING SERVICE (WWNWS-SC) ͷҺ ѧԹ
59.
02/10/19 IHO
CIRCULAR LETTER 49/2019
MASTER OF SCIENCE PROGRAMME IN HYDROGRAPHIC SCIENCE AT THE UNIVERSITY OF SOUTHERN MISSISSIPPI (USA)SPONSORED BY THE REPUBLIC OF KOREA CALL FOR NOMINATIONS (8th Course, August 2020 August 2021) VOTE ѧԹ
 ͹ ѹ¹
ӴѺ ... ͧ Ţ ͧ ACTION ôԹâͧ .
58.
30/09/19 IHO
CIRCULAR LETTER 48/2019
NEW IHO MEMBER STATE - INDEPENDENT STATE OF SAMOA ͷҺ Թ
57.
25/09/19 IHO
CIRCULAR LETTER 47/2019
ACCEPTANCE OF CROWDSOURCED BATHYMETRY ACTIVITIES IN NATIONAL WATERS OF JURISDICTION ͷҺ Թ
56.
25/09/19 IHO
CIRCULAR LETTER 46/2019
ADOPTION OF REVISION OF IHO RESOLUTION 2/2007, AS AMENDED ͷҺ Թ
55.
25/09/19 IHO
CIRCULAR LETTER 45/2019
OUTCOME OF THE 11TH MEETING OF THE INTER-REGIONAL COORDINATION COMMITTEE (IRCC11) ͷҺ Թ
54.
23/09/19 IHO
CIRCULAR LETTER 44/2019
DISTRIBUTION OF CIRCULAR LETTERS AND ANNUAL REPORT TO IHO MEMBER STATES VOTE Թ
53.
23/09/19 IHO
CIRCULAR LETTER 43/2019
PRINCE ALBERT 1st MEDAL FOR HYDROGRAPHY - 2020 CALL FOR NOMINATIONS NOMINATIONS Թ
52.
16/09/19 IHO
CIRCULAR LETTER 42/2019
CATEGORY A STAFF VACANCIES AT THE IHO SECRETARIAT NOMINATIONS ѧԹ
51.
10/09/19 EAHC
CIRCULAR LETTER 10/2019
INVITATION TO RISK ASSESSMENT FOR HYDROGRAPHIC SURVEYS AND CHARTING MANAGEMENT FOR THE SAFETY NAVIGATION 28TH OCTOBER - 1ST NOVEMBER 2019, BRUNEI DARUSSALAM REGISTER ѧԹ
 ͹ ԧҤ
ӴѺ ... ͧ Ţ ͧ ACTION ôԹâͧ .
50.
29/08/19 IHO
CIRCULAR LETTER 41/2019
NEW IHO MEMBER STATE -REPUBLIC OF GHANA ͷҺ ѧԹ
49.
28/08/19 IHO
CIRCULAR LETTER 40/2019
ADOPTION OF REVISION TO IHO RESOLUTION 7/2009, AS AMENDED ͷҺ ѧԹ
48.
05/08/19 IHO
CIRCULAR LETTER 39/2019
Publication of The Annual Report of The IHO for 2018 ͷҺ Թ
47.
01/08/19 IHO
CIRCULAR LETTER 38/2019
New IHO Member State - Solomon Islands ͷҺ Թ
 ͹ áҤ
46.
19/07/19 IHO
CIRCULAR LETTER 37/2019
IHO S-58 EDITION 6.1.0 TEST DATA SET AVAILABILITY ͷҺ ѧԹ
45.
16/07/19 EAHC
CIRCULAR LETTER 09/2019
UPDATE ON THE LIST OF CONTACT POINTS ͷҺ ѧԹ
44.
09/07/19 IHO
CIRCULAR LETTER 36/2019
REPORT ON THE 101ST SESSION OF THE IMO MARITIME SAFETY COMMITTEE (MSC 101) ͷҺ ѧԹ
43.
09/07/19 IHO
CIRCULAR LETTER 35/2019
CALL FOR APPROVAL OF NEW EDITION 2.0.0 OF PUBLICATION S-102 BATHYMETRIC SURFACE PRODUCT SPECIFICATION VOTE ѧԹ
42.
03/07/19 IHO
CIRCULAR LETTER 34/2019
CALL FOR THE APPROVAL OF NEW EDITION 4.2.0 OF PUBLICATION B-6 STANDARDIZATION OF UNDERSEA FEATURE NAMES VOTE ѧԹ
41.
2/07/19 EAHC
CIRCULAR LETTER 08/2019
INVITATION TO MARITIME SAFETY INFORMATION (MSI) COURSE (9th-11th SEPTEMBER) AND MARITIME SAFETY INFORMATION (MSI) DB WORKSHOP (12th 13th SEPTEMBER), JAKARTA, INDONESIA VOTE ѧԹ
 ͹ Զع¹
40.
30/06/19 IHO
CIRCULAR LETTER 33/2019
CALL FOR MEMBER STATES TO DECLARE IN WHICH REGIONAL HYDROGRAPHIC COMMISSION (RHC) THEY WISH TO BE COUNTED FOR THE PURPOSE OF DETERMINING THE NUMBER OF SEATS ALLOCATED TO EACH RHC IN THE IHO COUNCIL VOTE ѧԹ
39.
27/06/19 IHO
CIRCULAR LETTER 32/2019
CALL FOR APPROVAL OF THE REVISION OF IHO RESOLUTION 2/2007 VOTE ѧԹ
38.
26/06/19 IHO
CIRCULAR LETTER 31/2019
CALL FOR APPROVAL OF A NEW IHO RESOLUTION ON DIGITAL TIDE TABLES VOTE ѧԹ
37.
25/06/19 IHO
CIRCULAR LETTER 30/2019
OUTCOME OF THE 11TH MEETING OF THE HYDROGRAPHIC SERVICES AND STANDARDS COMMITTEE (HSSC) ͷҺ ѧԹ
36.
13/06/19 IHO
CIRCULAR LETTER 29/2019
SURVEY OF IHO MEMBER STATES ON THE FUTURE OF THE PAPER NAUTICAL CHART VOTE ѧԹ
35.
13/06/19 IHO
CIRCULAR LETTER 28/2019
ADOPTION OF EDITION 2.0.0 OF IHO PUBLICATION B-12 CROWDSOURCED BATHYMETRY GUIDANCE DOCUMENT ͷҺ ѧԹ
 ͹ Ҥ
34.
28/05/19 IHO
CIRCULAR LETTER 27/2019
CATEGORY "B" MARINE GEOSPATIAL INFORMATION, CAPACITY BUILDING PROGRAMME SPONSORED BY THE REPUBLIC OF KOREA Successful Nomination of Candidates for the Course (29 July 13 December 2019) ͷҺ ѧԹ
33.
28/05/19 IHO
CIRCULAR LETTER 26/2019
TRAINING FOR TRAINERS (TFT) PROGRAMME IN BASIC HYDROGRAPHY SPONSORED BY THE REPUBLIC OF KOREA Successful Nomination of Candidates for the TFT Course
(8 19 July 2019)
ͷҺ ѧԹ
32.
22/05/19 IHO
CIRCULAR LETTER 25/2019
CALL FOR THE APPROVAL OF THE REVISION OF IHO RESOLUTION 7/2009 VOTE Թ
31.
21/05/19 EAHC
CIRCULAR LETTER 07/2019
FIRST DRAFT AGENDA FOR 10TH TRDC-BOD, 2ND MSDIWG, AND 8TH EAHC CHC MEETINGS ͷҺ ѧԹ
30.
21/05/19 EAHC
CIRCULAR LETTER 06/2019
NEW CHIEF HYDROGRAPHER OF VIET NAM ͷҺ ѧԹ
29.
16/05/19 IHO
CIRCULAR LETTER 24/2019
NEW IHO BRANDING MATERIALS ͷҺ ѺҺ
28.
14/05/19 EAHC
CIRCULAR LETTER 05/2019
INVITATION TO 10TH TRDC-BOD, 2ND MSDIWG, 8TH EAHC CHC MEETINGS, AND SINGAPORES WORLD HYDROGRAPHY DAY 2019 CELEBRATION ͷҺ ѧԹ
27.
03/05/19 IHO
CIRCULAR LETTER 23/2019
NEW IHO MEMBER STATE-CO-OPERATIVE REPUBLIC OF GUYANA ͷҺ Թ
 ͹ ¹
26.
24/04/19 IHO
CIRCULAR LETTER 22/2019
IHO - NIPPON FOUNDATION CHART PROJECT Successful Nomination of Candidates for the 11th Course (2 September 13 December 2019) ͷҺ Թ
25.
24/04/19 IHO
CIRCULAR LETTER 21/2019
IHO-IOC GEBCO GUIDING COMMITTEE (GGC) NEW IHO REPRESENTATIVES ͷҺ Թ
 ͹ չҤ
ӴѺ ... ͧ Ţ ͧ ACTION ôԹâͧ .
24.
28/03/19 IHO
CIRCULAR LETTER 20/2019
THE IHO ONLINE FORM SYSTEM FOR RESPONSES TO CIRCULAR LETTERS AND INPUT TO IHO PUBLICATIONS (P-5 AND C-55) ͷҺ Թ
23.
27/03/19 IHO
CIRCULAR LETTER 19/2019
TRAINING FOR TRAINERS PROGRAMME IN BASIC HYDROGRAPHY SPONSORED BY THE REPUBLIC OF KOREA (8 19 July 2019) Ѥ Թ
22.
20/03/19 IHO
CIRCULAR LETTER 18/2019
CATEGORY "B" MARINE GEOSPATIAL INFORMATION CAPACITY BUILDING PROGRAMME SPONSORED BY THE REPUBLIC OF KOREA (29 July - 13 December 2019) Ѥ Թ
21.
20/03/19 IHO
CIRCULAR LETTER 17/2019
MASTER OF SCIENCE IN HYDROGRAPHIC SCIENCE AT THE UNIVERSITY OF SOUTHERN MISSISSIPPI (USA)SPONSORED BY THE REPUBLIC OF KOREA ͷҺ ѺҺ
20.
13/03/19 IHO
CIRCULAR LETTER 16/2019
CALL FOR NOMINATIONS FOR THE POSITION OF VICE-CHAIR OF THE HYDROGRAPHIC SERVICES AND STANDARDS COMMITTEE (HSSC) ͷҺ ѺҺ
19.
11/03/19 IHO
CIRCULAR LETTER 15/2019
IHO-IAG ADVISORY BOARD ON TECHNICAL ASPECTS OF THE LAW OF THE SEA (ABLOS) IHO REPRESENTATIVES ͷҺ ѧԹ
18.
04/03/19 IHO
CIRCULAR LETTER 14/2019
REPORT ON THE 6TH SESSION OF THE IMO SUB-COMMITTEE ON NAVIGATION, COMMUNICATIONS AND SEARCH AND RESCUE (NCSR 6) ͷҺ ѺҺ
17.
01/03/19 IHO
CIRCULAR LETTER 13/2019
ANNOUNCEMENT OF THE 10th ABLOS BIENNIAL CONFERENCE Monaco, 8-9 October 2019 ͷҺ ѺҺ
 ͹ Ҿѹ
16.
15/02/19 EAHC
CIRCULAR LETTER 04/2019
LIST OF ACTIONS ͷҺ ѧԹ
15.
11/02/19 IHO
CIRCULAR LETTER 12/2019
IHO-IOC-NIPPON FOUNDATION - GEBCO TRAINING PROGRAMME Call for Applications for the 16th Graduate Certificate Course in Ocean Bathymetry Ѥ ѧԹ
 ͹ Ҥ
ӴѺ ... ͧ Ţ ͧ ACTION ôԹâͧ .
14.
25/01/19 IHO
CIRCULAR LETTER 11/2019
CALL FOR APPROVAL OF EDITION 2.0.0 OF IHO PUBLICATION B-12 CROWDSOURCED BATHYMETRY GUIDANCE DOCUMENT ͷҺ ѺҺ
13.
25/01/19 IHO
CIRCULAR LETTER 10/2019
17TH MEETING OF THE CAPACITY BUILDING SUB-COMMITTEE (CBSC17) Genoa, Italy, 29 - 31 May 2019 and 11TH MEETING OF THE INTER-REGIONAL COORDINATION COMMITTEE (IRCC11) Genoa, Italy, 3 - 5 June 2019 ͷҺ ѺҺ
12.
24/01/19 IHO
CIRCULAR LETTER 09/2019
NATIONAL EXPERTS ON THE LAW OF THE SEA Ǩͺ/ Թ
11.
25/01/19 EAHC
CIRCULAR LETTER 03/2019
NEW DIRECTOR GENERAL OF THE MARITIME SAFETY ADMINISTRATION, CHINA ͷҺ ѺҺ
10.
08/01/19 EAHC
CIRCULAR LETTER 02/2019
INVITATION TO 9TH EAHC TRAINING, RESEARCH AND DEVELOPMENT CENTRE-BOARD OF DIRECTORS (TRDC-BOD) AND 6TH EAST ASIA HYDROGRAPHIC COMMISSION STEERING COMMITTEE (EAHC-SC) MEETING ͷҺ ѺҺ (ҹ)
Annex A / Annex B
9.
08/01/19 EAHC
CIRCULAR LETTER 01/2019
NEW DIRECTOR GENERAL OF KHOA ͷҺ ѺҺ
8.
23/01/19 IHO
CIRCULAR LETTER 08/2019
ADOPTION OF REVISION TO IHO RESOLUTION 2/1997, AS AMENDED ͷҺ ѺҺ
7.
23/01/19 IHO
CIRCULAR LETTER 07/2019
ADOPTION OF REVISION TO IHO RESOLUTION 6/2009 ͷҺ ѺҺ
6.
23/01/19 IHO
CIRCULAR LETTER 06/2019
ADOPTION OF THE REVISED TERMS OF REFERENCE AND RULES OF PROCEDURE OF THE CAPACITY BUILDING SUB-COMMITTEE (CBSC) ͷҺ ѺҺ
5.
16/01/19 IHO
CIRCULAR LETTER 05/2019
ADOPTION OF EDITION 1.0.0 OF IHO PRODUCT SPECIFICATIONS S-122 - Marine Protected Areas and S-123 Marine Radio Services ͷҺ ѺҺ
4.
15/01/19 IHO
CIRCULAR LETTER 04/2019
IHO - NIPPON FOUNDATION CHART PROJECT Call for Applications for 11th Course in Marine Cartography and Data Assessment (FIG-IHO-ICA Category "B") UKHO, Taunton, UK, 2 September 13 December 2019 ͷҺ ѧԹ
3.
10/01/19 IHO
CIRCULAR LETTER 03/2019
PREPARATION FOR THE 6th SESSION OF THE IMO SUB-COMMITTEE ON NAVIGATION, COMMUNICATIONS AND SEARCH AND RESCUE (NCSR) 16 to 25 January 2019, London, United Kingdom ͷҺ ѺҺ
2.
10/01/19 IHO
CIRCULAR LETTER 02/2019
ADOPTION OF THE REVISED TERMS OF REFERENCE AND RULES OF PROCEDURE OF THE HYDROGRAPHIC SERVICES AND STANDARDS COMMITTEE (HSSC) AND THE INTER-REGIONAL COORDINATION COMMITTEE (IRCC) ͷҺ ѺҺ
1.
09/01/19 IHO
CIRCULAR LETTER 01/2019
THEME FOR WORLD HYDROGRAPHY DAY 2019 AND MEDIA OUTREACH ͷҺ ѺҺ
˹ѧ¹ҡ IHO, EAHC, NIOHC
  2018
 ͹ ѹҤ
ӴѺ ... ͧ Ţ ͧ ACTION ôԹâͧ .
69.
13/12/18 IHO
CIRCULAR LETTER 59/2018
GEBCO GUIDING COMMITTEE (GGC) MEMBERSHIPREQUEST FOR NOMINATION OF EXPERTS TO FILL VACANCIES ͷҺ ѺҺ
 ͹ Ȩԡ¹
ӴѺ ... ͧ Ţ ͧ ACTION ôԹâͧ .
68.
30/11/18 EAHC
CIRCULAR LETTER 19/2018
INVITATION TO 9TH EAHC TRAINING, RESEARCH AND DEVELOPMENT CENTRE-BOARD OF DIRECTORS (TRDC-BOD) AND 6TH EAST ASIA HYDROGRAPHIC COMMISSION STEERING COMMITTEE (EAHC-SC) MEETING ͷҺ ѺҺ (ҹ)
Annex A / Annex B Annex C
67.
22/11/18 EAHC
CIRCULAR LETTER 18/2018
NEW ACTING SURVEYOR GENERAL OF THE SURVEY DEPARTMENT, BRUNEI DARUSSALAM ͷҺ ѺҺ
66.
16/11/18 IHO
CIRCULAR LETTER 58/2018
IHO-IAG ADVISORY BOARD ON TECHNICAL ASPECTS OF THE LAW OF THE SEA (ABLOS)- IHO REPRESENTATIVES ͷҺ ѺҺ (ҹ)
Annex B
65.
14/11/18 IHO
CIRCULAR LETTER 57/2018
11th MEETING OF THE HYDROGRAPHIC SERVICES AND STANDARDS COMMITTEE (HSSC-11)6-9 May 2019, Cape Town, South Africa ͷҺ ѺҺ
64.
13/11/18 IHO
CIRCULAR LETTER 56/2018
CALL FOR APPROVAL OF REVISION TO IHO RESOLUTION 6/2009 VOTE Թ
63.
13/11/18 IHO
CIRCULAR LETTER 55/2018
CALL FOR APPROVAL OF PROPOSED AMENDMENTS TO THE IHO RESOLUTION 2/1997, AS AMENDED VOTE Թ
62.
12/11/18 EAHC
CIRCULAR LETTER 16/2018
DRAFT AGENDA FOR THE 7TH EAHC CHARTING AND HYDROGRAPHY COMMITTEE (CHC) MEETING ͷҺ ѺҺ (ҹ)
Annex A
61.
08/11/18 IHO
CIRCULAR LETTER 54/2018
REVISION OF THE TERMS OF REFERENCE AND RULES OF PROCEDURE OF THE CAPACITY BUILDING SUB-COMMITTEE (CBSC) VOTE Թ
60.
08/11/18 IHO
CIRCULAR LETTER 53/2018
REVISION OF THE TERMS OF REFERENCE AND RULES OF PROCEDURE OF THE HYDROGRAPHIC SERVICES AND STANDARDS COMMITTEE (HSSC) AND THE INTER-REGIONAL COORDINATION COMMITTEE (IRCC) VOTE Թ
 ͹ Ҥ
ӴѺ ... ͧ Ţ ͧ ACTION ôԹâͧ .
59.
29/10/18 IHO
CIRCULAR LETTER 51/2018
OUTCOME OF THE 2nd MEETING OF THE IHO COUNCIL ͷҺ ѺҺ
58.
15/10/18 IHO
CIRCULAR LETTER 50/2018
CALL FOR APPROVAL OF EDITION 4.0.0 OF IHO PUBLICATION S-100 UNIVERSAL HYDROGRAPHIC DATA MODEL VOTE Թ
57.
04/10/18 IHO
CIRCULAR LETTER 49/2018
ADOPTION OF EDITION 4.8.0 OF IHO PUBLICATION S-4-CHART SPECIFICATIONS OF THE IHO ͷҺ ѺҺ
56.
04/10/18 IHO
CIRCULAR LETTER 48/2018
MASTER OF SCIENCE PROGRAMME IN HYDROGRAPHIC SURVEYING AT THE UNIVERSITY OF SOUTHERN MISSISSIPPI (USA)SPONSORED BY THE REPUBLIC OF KOREA ͷҺ ѺҺ
55.
03/10/18 IHO
CIRCULAR LETTER 47/2018
ADOPTION OF EDITION 6.1.0 OF IHO PUBLICATION S-58 ENC VALIDATION CHECKS ͷҺ ѺҺ
 ͹ ѹ¹
ӴѺ ... ͧ Ţ ͧ ACTION ôԹâͧ .
54.
24/09/18 IHO
CIRCULAR LETTER 46/2018
ADOPTION OF REVISIONS TO IHO RESOLUTIONS 7/2009, 9/1932, 4/1982 AND DELETION OF IHO RESOLUTIONS 4/1937 AND 9/1962 ͷҺ ѺҺ
53.
19/09/18 IHO
CIRCULAR LETTER 45/2018
CALL FOR APPROVAL OF EDITION 1.0.0 OF IHO PRODUCT SPECIFICATIONS S-122 - Marine Protected Areas and S-123 Radio Services VOTE
Թ
52.
07/09/18 IHO
CIRCULAR LETTER 44/2018
OUTCOME OF THE TENTH MEETING OF THE INTER-REGIONAL COORDINATION COMMITTEE (IRCC10) ͷҺ ѺҺ
51.
07/09/18 EAHC
CIRCULAR LETTER 13/2018
LIST OF DELEGATES AND 2ND DRAFT AGENDA FOR THE 13TH EAST ASIA HYDROGRPHIC COMMISSION CONFERENCE, 18-20 SEPTEMBER 2018 ͷҺ ѺҺ (ҹ)
Annex A / Annex B
 ͹ ԧҤ
ӴѺ ... ͧ Ţ ͧ ACTION ôԹâͧ .
50.
30/08/18 EAHC
CIRCULAR LETTER 12/2018
INVITATION TO THE CARTO PRODUCTION DATABASE SYSTEM DEVELOPMENT,22-26 OCTOBER, SHANGHAI,CHINA ͷҺ ѺҺ (ҹ)
Annex A
49.
06/08/18 EAHC
CIRCULAR LETTER 11/2018
LOGISTIC DETAILS AND ACCOMMODATION FOR THE 13TH EAST ASIA HYDROGRAPHIC COMMISSION (EAHC) AND HYDROGRAPHY SOUTH EAST ASIA (HYDROSEA)CONFERENCE&EXHIVITION 2018 IN PUTRAJAYA, MALAYSIA ͷҺ ѺҺ
48.
01/08/18 EAHC
CIRCULAR LETTER 10/2018
INVITATION FOR THE 13TH EAHC CONFERENCE MEETING ͷҺ ѺҺ
47.
01/08/18 EAHC
CIRCULAR LETTER 9/2018
INVITATION FOR THE 13TH EAHC CONFERENCE MEETING ͷҺ ѺҺ
 ͹ áҤ
ӴѺ ... ͧ Ţ ͧ ACTION ôԹâͧ .
46.
26/07/18 IHO
CIRCULAR LETTER 43/2018
FORMER DIRECTOR KENNETH KEN BARBOR ͷҺ ѺҺ
45.
16/07/18 IHO
CIRCULAR LETTER 42/2018
FIG/IHO/ICA INTERNATIONAL BOARD ON STANDARDS OF COMPETENCE FOR HYDROGRAPHIC SURVEYORS AND NAUTICAL CARTOGRAPHERS (IBSC) - IHO NOMINATION ͷҺ ѺҺ
44.
16/07/18 IHO
CIRCULAR LETTER 41/2018
PUBLICATION OF THE ANNUAL REPORT OF THE IHO FOR 2017 ͷҺ ѺҺ
43.
07/07/18 IHO
CIRCULAR LETTER 40/2018
CALL FOR APPROVAL OF EDITION 4.8.0 OF IHO PUBLICATION S-4 - CHART SPECIFICATIONS OF THE IHO VOTE Թ
42.
05/07/18 IHO
CIRCULAR LETTER 39/2018
CALL FOR APPROVAL OF REVISIONS TO IHO RESOLUTIONS 7/2009, 9/1932, 4/1982 AND FOR THE DELETION OF IHO RESOLUTIONS 4/1937 AND 9/1962 VOTE Թ
41.
03/07/18 EAHC
CIRCULAR LETTER 8/2018
SUBMISSION OF PROPOSAL FOR THE 2ND MEETING OF THE IHO COUNCIL ͷҺ ѺҺ
40.
02/07/18 EAHC
CIRCULAR LETTER 7/2018
INVITATION TO THE 13TH EAHC CONFERENCE ͷҺ ѺҺ
39.
02/07/18 EAHC
CIRCULAR LETTER 6/2018
INVITATION TO THE 13TH EAST ASIA HYDROGRAPHIC COMMINSSION (EAHC) AND HYDROGRAPHIC CONFERRENCE AND SOUTH EAST ASIA (HYDROSEA) CONFERRENCE&EXHIBITION 2018 ͷҺ ѺҺ