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经营范围
发明名称
PROCESS AND DEVICE FOR MANUFACTURING PIECES BY DRAWING
摘要
申请公布号
RO97768(B1)
申请公布日期
1990.01.30
申请号
RO19860125715
申请日期
1986.12.04
申请人
USINOR ACIERS
发明人
GABRIEL DE SMEL
分类号
B21D22/10
主分类号
B21D22/10
代理机构
代理人
主权项
地址
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