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发明名称
摘要
申请公布号
DE2043348(A1)
申请公布日期
1971.04.22
申请号
DE19702043348
申请日期
1970.02.27
申请人
发明人
分类号
B23F9/02;B23F15/06;B23F23/12;B24B7/02;B24B49/18;B24B53/00;B24B53/053;B24B53/07;B24D7/00;B24D7/02;(IPC1-7):B23F5/00
主分类号
B23F9/02
代理机构
代理人
主权项
地址
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