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经营范围
发明名称
Grinding machine
摘要
申请公布号
US2539506(A)
申请公布日期
1951.01.30
申请号
US19460678195
申请日期
1946.06.21
申请人
NORTON COMPANY
发明人
BURA WALTER MARK
分类号
B24B3/00;B24B25/00
主分类号
B24B3/00
代理机构
代理人
主权项
地址
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