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发明名称
Pipe connection
摘要
申请公布号
US2289271(A)
申请公布日期
1942.07.07
申请号
US19390249094
申请日期
1939.01.03
申请人
KANE BOILER WORKS, INCORPORATED
发明人
KANE JOSEPH J.;CHAMBERS RAYMOND A.
分类号
E21B17/08;F16L13/04
主分类号
E21B17/08
代理机构
代理人
主权项
地址
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