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经营范围
发明名称
Combined feeding and cold drawing mechanism
摘要
申请公布号
US2228746(A)
申请公布日期
1941.01.14
申请号
US19380216134
申请日期
1938.06.27
申请人
B. W. MANUFACTURING COMPANY
发明人
BERKEBIL LEE
分类号
B21C19/00;B21K27/02
主分类号
B21C19/00
代理机构
代理人
主权项
地址
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