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发明名称
Pipe-line valve
摘要
申请公布号
US2490913(A)
申请公布日期
1949.12.13
申请号
US19450631877
申请日期
1945.11.30
申请人
THE OHIO BRASS COMPANY
发明人
JR. JOSEPH T. LUSIGNAN,
分类号
F16K25/04
主分类号
F16K25/04
代理机构
代理人
主权项
地址
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