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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0415742 (1973-11-14) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 32 인용 특허 : 0 |
A check valve comprising a sectional valve body adapted to be interposed in a flow line, a valve seat provided in one body portion, a pivotal clapper member movable toward and away from said valve seat to provide alternate open and closed positions for the valve and hanger means provided in the body
A check valve comprising a first housing member having an inlet port provided therein, a second housing member removably secured to the first housing member and having an outlet port therein in substantial alignment with the inlet port, sleeve means removably secured to said first housing member in
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