JP6613179B2 - 液化ガス運搬船 - Google Patents
液化ガス運搬船 Download PDFInfo
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- JP6613179B2 JP6613179B2 JP2016051872A JP2016051872A JP6613179B2 JP 6613179 B2 JP6613179 B2 JP 6613179B2 JP 2016051872 A JP2016051872 A JP 2016051872A JP 2016051872 A JP2016051872 A JP 2016051872A JP 6613179 B2 JP6613179 B2 JP 6613179B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J3/00—Driving of auxiliaries
- B63J3/04—Driving of auxiliaries from power plant other than propulsion power plant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J99/00—Subject matter not provided for in other groups of this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0245—High pressure fuel supply systems; Rails; Pumps; Arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C6/00—Methods and apparatus for filling vessels not under pressure with liquefied or solidified gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
- F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0382—Constructional details of valves, regulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0157—Compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/031—Treating the boil-off by discharge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/05—Regasification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
液化ガスを貯蔵するタンクと、
吐出量が可変な圧縮機と、
ガス焚き可能なエンジンと、
前記タンク内で発生した気化ガスを前記圧縮機へ導く気化ガスラインと、
前記気化ガスを含むガスが前記圧縮機によって圧縮されてなる燃料ガスを前記エンジンへ導く燃料ガス供給ラインと、
前記燃料ガス供給ライン内の前記燃料ガスの圧力を検出する燃料ガス圧力計と、
前記燃料ガス供給ラインと接続されて前記燃料ガスの一部又は全部を前記タンク内の液相へ導く返送ラインと、
前記返送ラインに設けられ、開度が可変な返送バルブと、
前記燃料ガス圧力計で検出された圧力が前記エンジンの要求圧力範囲内となるように前記圧縮機の吐出量を制御し、前記エンジンの負荷の低下を監視し、前記エンジンの負荷の低下を判定したときにエンジン消費ガス量と前記タンクから前記気化ガスラインへ流入する前記気化ガスの量との差に実質的に相当する量の前記燃料ガスが前記返送ラインを通じて前記タンクへ返送されるように前記返送バルブの開度を制御する制御装置とを備えることを特徴としている。
前記燃料ガスを焼却するガス燃焼装置と、
前記燃料ガス供給ラインと前記ガス燃焼装置とを接続する排気ラインと、
前記排気ラインに設けられた排気バルブとを更に備え、
前記制御装置は、前記気化ガス圧力計で検出された圧力が所定のタンク圧許容範囲を超えるときに、前記排気ラインを通じて前記ガス燃焼装置へ導かれる前記燃料ガスの量が増加するように前記排気バルブの開度を制御し、前記排気バルブの開度の増加に対応して前記返送バルブの開度を減少させるように前記返送バルブの開度を制御するように構成されていることが望ましい。
前記強制気化ガスラインに設けられた気化器と、
前記強制気化ガスラインに設けられ、前記気化器へ流入する前記液化ガスの流量を制御する強制気化バルブとを更に備え、
前記制御装置は、前記エンジンの負荷の低下が判定されたときに閉止するように前記強制気化バルブを制御するように構成されていてよい。
前記発電ユニットで発電した電力で駆動される推進電動機、及び、前記推進電動機の出力で回転する推進器を有する推進ユニットと、
前記発電ユニットから前記推進ユニットへの電力供給系統に設けられ、前記発電ユニットで発電した電力を配電するとともに、前記推進電動機の出力を制御する配電・制御ユニットとを備えていてよい。
2 エンジン
3 タンク
4 圧縮機
10 燃料ガス供給システム
41 気化ガスライン
42 燃料ガス供給ライン
51 強制気化ガスライン
52 気化器
61 返送ライン
62 返送バルブ
81 排気ライン
82 排気バルブ
83 ガス燃焼装置
90 推進システム
91 発電ユニット
92 配電・制御ユニット
93 推進ユニット
P1 燃料ガス圧
P2 気化ガス圧
Claims (7)
- 液化ガスを貯蔵するタンクと、
吐出量が可変な圧縮機と、
ガス焚き可能なエンジンと、
前記タンク内で発生した気化ガスを前記圧縮機へ導く気化ガスラインと、
前記気化ガスを含むガスが前記圧縮機によって圧縮されてなる燃料ガスを前記エンジンへ導く燃料ガス供給ラインと、
前記燃料ガス供給ライン内の前記燃料ガスの圧力を検出する燃料ガス圧力計と、
前記燃料ガス供給ラインと接続されて前記燃料ガスの一部又は全部を前記タンク内の液相へ導く返送ラインと、
前記返送ラインに設けられ、開度が可変な返送バルブと、
前記燃料ガス圧力計で検出された圧力が前記エンジンの要求圧力範囲内となるように前記圧縮機の吐出量を制御し、前記エンジンの負荷の低下を監視し、前記エンジンの負荷の低下を判定したときにエンジン消費ガス量と前記タンクから前記気化ガスラインへ流入する前記気化ガスの量との差に実質的に相当する量の前記燃料ガスが前記返送ラインを通じて前記タンクへ返送されるように前記返送バルブの開度を制御する制御装置とを備える、
液化ガス運搬船。 - 前記制御装置は、前記気化ガスラインへ流入する前記気化ガスの量と前記エンジン消費ガス量とを比較し、前記気化ガスの量が前記エンジン消費ガス量を上回るときに、前記エンジンの負荷の低下を判定するように構成されている、請求項1に記載の液化ガス運搬船。
- 前記制御装置は、前記液化ガス運搬船の操縦装置の操作量に基づいて、前記エンジン消費ガス量を求めるように構成されている、請求項2に記載の液化ガス運搬船。
- 前記タンク内の気相の圧力を検出する気化ガス圧力計と、
前記燃料ガスを焼却するガス燃焼装置と、
前記燃料ガス供給ラインと前記ガス燃焼装置とを接続する排気ラインと、
前記排気ラインに設けられた排気バルブとを更に備え、
前記制御装置は、前記気化ガス圧力計で検出された圧力が所定のタンク圧許容範囲を超えるときに、前記排気ラインを通じて前記ガス燃焼装置へ導かれる前記燃料ガスの量が増加するように前記排気バルブの開度を制御し、前記排気バルブの開度の増加に対応して前記返送バルブの開度を減少させるように前記返送バルブの開度を制御する、請求項1〜3のいずれか一項に記載の液化ガス運搬船。 - 前記タンク内の前記液化ガスを前記圧縮機へ導く強制気化ガスラインと、
前記強制気化ガスラインに設けられた気化器と、
前記強制気化ガスラインに設けられ、前記気化器へ流入する前記液化ガスの流量を制御する強制気化バルブとを更に備え、
前記制御装置は、前記エンジンの負荷の低下を判定したときに閉止するように前記強制気化バルブを制御する、請求項1〜4のいずれか一項に記載の液化ガス運搬船。 - 前記燃料ガス供給ラインの途中に、他の部分よりも大きな流路断面積を有するガスヘッダが設けられており、当該ガスヘッダに前記返送ラインが接続されている、請求項1〜5のいずれか一項に記載の液化ガス運搬船。
- 複数組の前記エンジン及び当該エンジンが出力した機械エネルギから電力を得る発電機を有する発電ユニットと、
前記発電ユニットで発電した電力で駆動される推進電動機、及び、前記推進電動機の出力で回転する推進器を有する推進ユニットと、
前記発電ユニットから前記推進ユニットへの電力供給系統に設けられ、前記発電ユニットで発電した電力を配電するとともに、前記推進電動機の出力を制御する配電・制御ユニットとを備える、
請求項1〜6のいずれか一項に記載の液化ガス運搬船。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016051872A JP6613179B2 (ja) | 2016-03-16 | 2016-03-16 | 液化ガス運搬船 |
KR1020187029336A KR20180127401A (ko) | 2016-03-16 | 2017-03-10 | 액화 가스 운반선 |
CN201780016962.8A CN108883818A (zh) | 2016-03-16 | 2017-03-10 | 液化气体搬运船 |
PCT/JP2017/009757 WO2017159568A1 (ja) | 2016-03-16 | 2017-03-10 | 液化ガス運搬船 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2016051872A JP6613179B2 (ja) | 2016-03-16 | 2016-03-16 | 液化ガス運搬船 |
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