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发明名称
Valve
摘要
申请公布号
US1793825(A)
申请公布日期
1931.02.24
申请号
US19280292634
申请日期
1928.07.14
申请人
CENTRAL VALVE MFG. CO.
发明人
POPE CHARLES S.
分类号
F16K1/36
主分类号
F16K1/36
代理机构
代理人
主权项
地址
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