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发明名称
Abrasive products and method of making
摘要
申请公布号
US2972527(A)
申请公布日期
1961.02.21
申请号
US19590796854
申请日期
1959.03.03
申请人
CHEMICAL RESEARCH CORPORATION
发明人
JR. GEORGE UPTON,
分类号
B24D11/00
主分类号
B24D11/00
代理机构
代理人
主权项
地址
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