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发明名称
Valve
摘要
申请公布号
US1957998(A)
申请公布日期
1934.05.08
申请号
US19320584522
申请日期
1932.01.02
申请人
FINEFROCK EMORY E;WILLIAM WATSON
发明人
FINEFROCK EMORY E.;WATSON WILLIAM
分类号
F16K15/06
主分类号
F16K15/06
代理机构
代理人
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