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发明名称
Aluminum oxide abrasive and method of making the same
摘要
申请公布号
US2000857(A)
申请公布日期
1935.05.07
申请号
US19300499238
申请日期
1930.12.01
申请人
SWANN RESEARCH, INCORPORATED
发明人
MASIN JACOB S.
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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