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发明名称
Valve operators
摘要
申请公布号
US3148553(A)
申请公布日期
1964.09.15
申请号
US19600077130
申请日期
1960.12.20
申请人
EDWARD VALVES, INC.
发明人
CARR LAURENCE H.
分类号
F16K35/02
主分类号
F16K35/02
代理机构
代理人
主权项
地址
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