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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0511365 (1983-07-06) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 18 인용 특허 : 2 |
A valve assembly is provided which is particularly suitable for operation and maintenance under extreme environments. It includes a valve body, a ball valve member rotatably mounted within the valve body, a bonnet removably secured to the valve body, and seat retaining asemblies removably secured to
A valve assembly comprising: a valve body defining a valve chamber having an upper access opening; a ball member rotatably mounted within said valve chamber, said ball member having a passage extending therethrough; a bonnet removably secured to said valve body and closing said upper access opening;
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