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发明名称
Abrasive compound
摘要
申请公布号
US1845250(A)
申请公布日期
1932.02.16
申请号
US19300422226
申请日期
1930.01.20
申请人
DRISCOLL JOHN H
发明人
DRISCOLL JOHN H.
分类号
C09K3/14
主分类号
C09K3/14
代理机构
代理人
主权项
地址
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