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发明名称
Grinding wheel truing apparatus
摘要
申请公布号
US2178842(A)
申请公布日期
1939.11.07
申请号
US19380232604
申请日期
1938.09.30
申请人
NORTON COMPANY
发明人
PAINE LLOYD E.
分类号
B24B53/04
主分类号
B24B53/04
代理机构
代理人
主权项
地址
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