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发明名称
Valve
摘要
申请公布号
US1797036(A)
申请公布日期
1931.03.17
申请号
US19290352947
申请日期
1929.04.06
申请人
WOLF LEOPOLD J;SPICER DELPHIN H
发明人
WOLF LEOPOLD J.;SPICER DELPHIN H.
分类号
F16K15/20
主分类号
F16K15/20
代理机构
代理人
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地址
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