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经营范围
发明名称
Abrasive wheel and a method of making the same
摘要
申请公布号
US1981970(A)
申请公布日期
1934.11.27
申请号
US19320611135
申请日期
1932.05.13
申请人
NORTON COMPANY
发明人
SANFORD BAALIS
分类号
B24D7/00;B24D18/00;C08J5/14
主分类号
B24D7/00
代理机构
代理人
主权项
地址
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