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发明名称
Valve-operating mechanism
摘要
申请公布号
US1771188(A)
申请公布日期
1930.07.22
申请号
US19240696468
申请日期
1924.03.03
申请人
MARQUETTE TOOL & MANUFACTURING CO.
发明人
NILSON OLOF G.;GLASNER RUDOLPH W.
分类号
F16K31/04
主分类号
F16K31/04
代理机构
代理人
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地址
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