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经营范围
发明名称
Machine à étirer
摘要
申请公布号
FR1050758(A)
申请公布日期
1954.01.11
申请号
FRD1050758
申请日期
1952.01.03
申请人
CALUMET AND HECLA CONSOLIDATED COPPER COMPANY
发明人
分类号
B21C1/02
主分类号
B21C1/02
代理机构
代理人
主权项
地址
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