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经营范围
发明名称
Swinging frame grinding machine
摘要
申请公布号
US1972217(A)
申请公布日期
1934.09.04
申请号
US19300423401
申请日期
1930.01.25
申请人
NORTON COMPANY
发明人
DUNBAR HOWARD W.;WHITTLES JOSEPH R.
分类号
B24B27/00
主分类号
B24B27/00
代理机构
代理人
主权项
地址
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