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发明名称
ABRASIVE PRODUCT
摘要
申请公布号
GB9006703(D0)
申请公布日期
1990.05.23
申请号
GB19900006703
申请日期
1990.03.26
申请人
BEERS, DE INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
发明人
分类号
B23B27/14;B23B27/16;B23C5/20;B24D99/00;E21B10/58
主分类号
B23B27/14
代理机构
代理人
主权项
地址
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