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发明名称
Hydraulic reversing check valve
摘要
申请公布号
US2493937(A)
申请公布日期
1950.01.10
申请号
US19440535806
申请日期
1944.05.16
申请人
THE JEFFREY MANUFACTURING COMPANY
发明人
WRIGHT FRED J.
分类号
F16K15/04
主分类号
F16K15/04
代理机构
代理人
主权项
地址
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