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发明名称
Valve
摘要
申请公布号
US2608374(A)
申请公布日期
1952.08.26
申请号
US19470783395
申请日期
1947.10.31
申请人
WALWORTH COMPANY
发明人
MOREHEAD FRENCH H.
分类号
F16K5/22;F16K31/163
主分类号
F16K5/22
代理机构
代理人
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地址
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