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经营范围
发明名称
Hot punching of metal billets
摘要
申请公布号
GB716933(A)
申请公布日期
1954.10.20
申请号
GB19520018029
申请日期
1952.07.16
申请人
COMPTOIR INDUSTRIEL D'ETIRAGE ET PROFILAGE DE METAUX
发明人
分类号
B21C23/32
主分类号
B21C23/32
代理机构
代理人
主权项
地址
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