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经营范围
发明名称
Grinding machine
摘要
申请公布号
US2221638(A)
申请公布日期
1940.11.12
申请号
US19400340761
申请日期
1940.06.15
申请人
NORTON COMPANY
发明人
INDGE HERBERT S.
分类号
B24B27/00;B24B41/00
主分类号
B24B27/00
代理机构
代理人
主权项
地址
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