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发明名称
摘要
申请公布号
FR2144963(A5)
申请公布日期
1973.02.16
申请号
FR19710024459
申请日期
1971.07.05
申请人
CHAUSSON
发明人
分类号
B23D25/04;B23D33/12;(IPC1-7):23D21/00;21D53/00;23D33/00
主分类号
B23D25/04
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