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经营范围
发明名称
Valve structure
摘要
申请公布号
US2768645(A)
申请公布日期
1956.10.30
申请号
US19530375972
申请日期
1953.08.24
申请人
CAHEN HERMAN S;CAHEN ALFRED B
发明人
CAHEN HERMAN S.;CAHEN ALFRED B.
分类号
F16K3/26
主分类号
F16K3/26
代理机构
代理人
主权项
地址
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