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发明名称
摘要
申请公布号
FR2267171(B1)
申请公布日期
1980.09.12
申请号
FR19750011400
申请日期
1975.04.11
申请人
RIBBACK ERICH
发明人
分类号
B30B1/32;B21D41/00;B21D53/90;(IPC1-7):B21D53/90
主分类号
B30B1/32
代理机构
代理人
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