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发明名称
Abrasive article
摘要
申请公布号
US2319331(A)
申请公布日期
1943.05.18
申请号
US19420440829
申请日期
1942.04.28
申请人
CALLITE TUNGSTEN CORPORATION
发明人
KURTZ JACOB
分类号
B24D3/10;B24D3/34;B24D18/00;C09K3/14
主分类号
B24D3/10
代理机构
代理人
主权项
地址
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