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发明名称
摘要
申请公布号
FR2028285(A1)
申请公布日期
1970.10.09
申请号
FR19700000979
申请日期
1970.01.13
申请人
DEUTSCH FRIEDRICH
发明人
分类号
B24B3/00;B24B23/00;(IPC1-7):B24B9/00;A63C11/00
主分类号
B24B3/00
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