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经营范围
发明名称
Improvements in and relating to grinding machines
摘要
申请公布号
GB550601(A)
申请公布日期
1943.01.15
申请号
GB19410013097
申请日期
1941.10.10
申请人
NORTON COMPANY
发明人
分类号
B24B47/20
主分类号
B24B47/20
代理机构
代理人
主权项
地址
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