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发明名称
摘要
申请公布号
FR2345246(B1)
申请公布日期
1979.05.25
申请号
FR19760008276
申请日期
1976.03.22
申请人
MARTIN ETS JOSEPH
发明人
分类号
B23P9/02;(IPC1-7):B21J7/10
主分类号
B23P9/02
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