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发明名称
摘要
申请公布号
DE1168740(C2)
申请公布日期
1964.11.12
申请号
DE1957S055617
申请日期
1957.10.22
申请人
发明人
分类号
B23F13/04;B23F23/08;B23F23/12;B24B3/34
主分类号
B23F13/04
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