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发明名称
摘要
申请公布号
DE2107340(A1)
申请公布日期
1971.09.09
申请号
DE19712107340
申请日期
1971.02.16
申请人
发明人
分类号
B24B29/04;B24D13/08;(IPC1-7):B24D13/08
主分类号
B24B29/04
代理机构
代理人
主权项
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