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发明名称
ABRASIVE BODIES
摘要
申请公布号
ZA8002747(B)
申请公布日期
1981.05.27
申请号
ZA19800002747
申请日期
1980.05.07
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION LTD
发明人
PHAAL C
分类号
B24D
主分类号
B24D
代理机构
代理人
主权项
地址
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