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发明名称
Pressure relieving check valve for flow lines
摘要
申请公布号
US1942313(A)
申请公布日期
1934.01.02
申请号
US19310560848
申请日期
1931.09.02
申请人
HYDE VIELE JOHN;SWIFT CHARLES W
发明人
VIELE JOHN HYDE;SWIFT CHARLES W.
分类号
F16K15/06
主分类号
F16K15/06
代理机构
代理人
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