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发明名称
DIAMOND ABRASIVE ARTICLES AND METHODS OF MAKING THE SAME
摘要
申请公布号
CA467911(A)
申请公布日期
1950.09.05
申请号
CAD467911
申请日期
申请人
NORTON COMPANY
发明人
REINHOLD A. SCHAEFER
分类号
主分类号
代理机构
代理人
主权项
地址
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