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发明名称
摘要
申请公布号
FR2327832(B1)
申请公布日期
1982.11.26
申请号
FR19760031295
申请日期
1976.10.18
申请人
BENTELER WERKE AG
发明人
分类号
B21D11/06;B21D53/06;(IPC1-7):21D53/06;21D11/06;25B39/00
主分类号
B21D11/06
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代理人
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