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发明名称
PIPE OR TUBE JOINT
摘要
申请公布号
CA393544(A)
申请公布日期
1940.12.31
申请号
CAD393544
申请日期
申请人
NATIONAL TUBE COMPANY
发明人
JERRY JAY DUNN
分类号
主分类号
代理机构
代理人
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地址
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