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发明名称
摘要
申请公布号
FR2275283(B1)
申请公布日期
1978.10.27
申请号
FR19740021560
申请日期
1974.06.21
申请人
CREACH PIERRE
发明人
分类号
B21J19/04;B25B1/00;(IPC1-7):B25H1/00
主分类号
B21J19/04
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