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经营范围
发明名称
Pipe forming apparatus
摘要
申请公布号
US2150202(A)
申请公布日期
1939.03.14
申请号
US19370125450
申请日期
1937.02.12
申请人
THE NATIONAL SUPPLY COMPANY
发明人
BLEVINS HERMAN G.
分类号
B21D5/12
主分类号
B21D5/12
代理机构
代理人
主权项
地址
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