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经营范围
发明名称
Improved abrasive wheel
摘要
申请公布号
GB657843(A)
申请公布日期
1951.09.26
申请号
GB19490006254
申请日期
1949.03.08
申请人
NORTON GRINDING WHEEL COMPANY LIMITED
发明人
分类号
B24D3/14;B24D3/18;C04B14/32
主分类号
B24D3/14
代理机构
代理人
主权项
地址
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