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经营范围
发明名称
Pilot operated valve assembly
摘要
申请公布号
US2935086(A)
申请公布日期
1960.05.03
申请号
US19550502044
申请日期
1955.04.18
申请人
LEHMAN SAMUEL K;SILBER VICTOR B
发明人
LEHMAN SAMUEL K.;SILBER VICTOR B.
分类号
F16K31/10;F16K31/40
主分类号
F16K31/10
代理机构
代理人
主权项
地址
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