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发明名称
Abrasive device
摘要
申请公布号
US2087318(A)
申请公布日期
1937.07.20
申请号
US19360089566
申请日期
1936.07.08
申请人
THE CARBORUNDUM COMPANY
发明人
FOSS CARL W.
分类号
B24D9/08
主分类号
B24D9/08
代理机构
代理人
主权项
地址
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