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发明名称
LOW DENSITY ABRASIVE ARTICLE
摘要
申请公布号
GB1495576(A)
申请公布日期
1977.12.21
申请号
GB19750011032
申请日期
1975.03.17
申请人
MINNESOTA MINING & MFG CO
发明人
分类号
B24D11/00;(IPC1-7):B24D3/00;A47L13/16
主分类号
B24D11/00
代理机构
代理人
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地址
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