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发明名称
Grinding wheel
摘要
申请公布号
US2097803(A)
申请公布日期
1937.11.02
申请号
US19350006441
申请日期
1935.02.14
申请人
NORTON COMPANY
发明人
SANFORD BAALIS
分类号
B24D3/28;B24D5/00;B24D5/02;B24D5/04;B24D5/12;B24D18/00
主分类号
B24D3/28
代理机构
代理人
主权项
地址
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