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发明名称
Valve
摘要
申请公布号
US2317628(A)
申请公布日期
1943.04.27
申请号
US19410391072
申请日期
1941.04.30
申请人
MARTIN OTIS C
发明人
MARTIN OTIS C.
分类号
F01L9/02;F16K11/14
主分类号
F01L9/02
代理机构
代理人
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