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发明名称
Motor-driven valve control
摘要
申请公布号
US2629264(A)
申请公布日期
1953.02.24
申请号
US19500138568
申请日期
1950.01.14
申请人
PHILADELPHIA GEAR WORKS, INC.
发明人
KRON HAROLD O.
分类号
F16K31/05
主分类号
F16K31/05
代理机构
代理人
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地址
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