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发明名称
摘要
申请公布号
FR2306771(B3)
申请公布日期
1978.12.22
申请号
FR19760009629
申请日期
1976.04.02
申请人
HOCHMUTH ERWIN
发明人
分类号
B23B29/034;(IPC1-7):23C3/28
主分类号
B23B29/034
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