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经营范围
发明名称
Endless abrasive article
摘要
申请公布号
US2794726(A)
申请公布日期
1957.06.04
申请号
US19490128299
申请日期
1949.11.19
申请人
MINNESOTA MINING & MANUFACTURING COMPANY
发明人
RIEDESEL RICHARD G.;FRIGSTAD RUDOLPH S.
分类号
B24D11/06
主分类号
B24D11/06
代理机构
代理人
主权项
地址
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