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经营范围
发明名称
Grinding machine
摘要
申请公布号
US2723503(A)
申请公布日期
1955.11.15
申请号
US19520319533
申请日期
1952.11.08
申请人
NORTON COMPANY
发明人
MADER STEWART S.
分类号
B24B5/42
主分类号
B24B5/42
代理机构
代理人
主权项
地址
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