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发明名称
Boiler feed check valve
摘要
申请公布号
US2213487(A)
申请公布日期
1940.09.03
申请号
US19370129550
申请日期
1937.03.08
申请人
KIRBY T. PENICK;ARTHUR J. PENICK
发明人
DAVIS REUBEN F.;PENICK KIRBY T.;PENICK ARTHUR J.
分类号
F16K15/04;F16K15/18
主分类号
F16K15/04
代理机构
代理人
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地址
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