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经营范围
发明名称
Cannon clamp
摘要
申请公布号
US2277029(A)
申请公布日期
1942.03.24
申请号
US19400347775
申请日期
1940.07.26
申请人
NATIONAL TUBE COMPANY
发明人
ANATER RAYMOND J.
分类号
B21B19/04
主分类号
B21B19/04
代理机构
代理人
主权项
地址
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