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发明名称
摘要
申请公布号
FR2469227(B1)
申请公布日期
1984.12.14
申请号
FR19800023727
申请日期
1980.11.06
申请人
MUHR BENDER
发明人
分类号
B21B39/24;B21D43/10;(IPC1-7):B21D43/20
主分类号
B21B39/24
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