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发明名称
ABRASIVE BODIES
摘要
申请公布号
ZA8305641(B)
申请公布日期
1984.04.25
申请号
ZA19830005641
申请日期
1983.08.02
申请人
DE BEERS INDUSTRIAL DIAMOND
发明人
DYER HENRY BROOKE
分类号
B42D
主分类号
B42D
代理机构
代理人
主权项
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