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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0708761 (1985-03-06) |
우선권정보 | DE-8107889 (1981-03-18) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 8 |
A valve which includes a housing, two axially spaced liners and a spool within the liners has fixing screws running through the housing. To make it possible for the screws to be placed near together but without having to make the liners any smaller in diameter, the screw holes are cut through into t
A valve apparatus, comprising: a housing having means defining a central bore therein and having plural control ports which each communicate with said central bore; valve insert means sealingly supported in said central bore in said housing, having a central opening therethrough, and having means de
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