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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0841413 (1986-03-19) |
우선권정보 | FR-0005130 (1985-04-04) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 22 인용 특허 : 3 |
A valve, for example for use as a pipeline stop valve or a blow-out preventer, comprises a body with a central passage and opposed aligned guideways extending outwards from the passage. A closure member is provided in each guideway, each of which guideways is closed by a bonnet housing moving means
A valve comprising a body having a central passage extending therethrough and opposed aligned guideways extending outwardly from said central passage, a closure member in each of said guideways, a bonnet removably fastened to said body over an outer opening of each of said guideways, said outer open
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