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发明名称
Abrasive and grinding wheel
摘要
申请公布号
US2725286(A)
申请公布日期
1955.11.29
申请号
US19530341595
申请日期
1953.03.10
申请人
NORTON COMPANY
发明人
JR. LORING COES,
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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