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发明名称
Selective valve control mechanism
摘要
申请公布号
US2692617(A)
申请公布日期
1954.10.26
申请号
US19500167768
申请日期
1950.06.13
申请人
PHILADELPHIA VALVE COMPANY
发明人
JENSEN JAMES A.
分类号
F16K35/14
主分类号
F16K35/14
代理机构
代理人
主权项
地址
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