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发明名称
ABRASIVE ARTICLE AND METHOD OF MANUFACTURE
摘要
申请公布号
CA449592(A)
申请公布日期
1948.07.06
申请号
CAD449592
申请日期
申请人
WALTON ARTHUR FELKER
发明人
WALTON ARTHUR FELKER
分类号
主分类号
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