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经营范围
发明名称
Pipe, tubing, and conduit coupling
摘要
申请公布号
US2186974(A)
申请公布日期
1940.01.16
申请号
US19380213060
申请日期
1938.06.10
申请人
A TRUSTEESHIP OF JAMES N. ICE;SAMUEL K. FRANK
发明人
ICE JAMES N.
分类号
F16L19/08;F16L19/10
主分类号
F16L19/08
代理机构
代理人
主权项
地址
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