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发明名称
Improvements in or relating to abrasive wheels
摘要
申请公布号
GB313517(A)
申请公布日期
1930.09.01
申请号
GB19290016866
申请日期
1929.05.31
申请人
THE GEO. W. PERKS COMPANY
发明人
分类号
B24D5/04;B24D5/16
主分类号
B24D5/04
代理机构
代理人
主权项
地址
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