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经营范围
发明名称
Improvements in methods of coating abrasive grains
摘要
申请公布号
GB448342(A)
申请公布日期
1936.06.05
申请号
GB19340034989
申请日期
1934.12.05
申请人
THE CARBORUNDUM COMPANY
发明人
分类号
主分类号
代理机构
代理人
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