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发明名称
Pressure-regulating and shut-off valve
摘要
申请公布号
US1764790(A)
申请公布日期
1930.06.17
申请号
US19280289026
申请日期
1928.06.28
申请人
HOWARD HOOK CHARLES;MERCUR NATHAN L
发明人
HOOK CHARLES HOWARD;MERCUR NATHAN L.
分类号
F16K31/365;G05D16/06
主分类号
F16K31/365
代理机构
代理人
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地址
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