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发明名称
Method and apparatus for manufacturing abrasive materials
摘要
申请公布号
US2369462(A)
申请公布日期
1945.02.13
申请号
US19410375517
申请日期
1941.01.22
申请人
UNITED COTTON PRODUCTS COMPANY
发明人
HURST EDWARD
分类号
B24D11/00;C08J5/14
主分类号
B24D11/00
代理机构
代理人
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地址
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