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经营范围
发明名称
Improvements in and relating to grinding or abrading discs
摘要
申请公布号
GB417827(A)
申请公布日期
1934.10.12
申请号
GB19340006973
申请日期
1934.03.05
申请人
CARL KRUG
发明人
分类号
B24D5/04
主分类号
B24D5/04
代理机构
代理人
主权项
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