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发明名称
ABRASIVE ARTICLE
摘要
申请公布号
GB1490305(A)
申请公布日期
1977.11.02
申请号
GB19750042803
申请日期
1975.10.17
申请人
DU PONT DE NEMOURS & CO E I
发明人
分类号
B24D7/06;(IPC1-7):B24D7/00;B24D3/28;B24D3/32
主分类号
B24D7/06
代理机构
代理人
主权项
地址
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