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发明名称
CORPS ABRASIF
摘要
申请公布号
FR2348019(A2)
申请公布日期
1977.11.10
申请号
FR19770011974
申请日期
1977.04.15
申请人
DE BEERS INDUSTRIAL DIAMOND DIVI
发明人
ROBERT DENNIS MITCHELL
分类号
B22F7/06;B23K35/32;B24D3/00;B24D3/08;C22C26/00;(IPC1-7):B24D3/00;B24D7/00
主分类号
B22F7/06
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代理人
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