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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0921173 (1978-07-03) |
우선권정보 | FR-0020349 (1975-06-27) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 7 인용 특허 : 2 |
Semi-submersible vessels are described comprising one or more modules each comprising a sealed chamber of annular cross-section, a partially immersable support structure secured to the chamber and a platform or deck carried by the support structure. The support structure is preferably comprised by a
A semi-submersible vessel comprising one module formed by a sealed closed chamber, completely submerged in normal use, provided with ballast, means for varying said ballast, a support structure secured to the chamber, said structure being partially immersible in use, and a horizontal deck carried by
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