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经营范围
发明名称
Vitreous grinding tool containing metal coated abrasive.
摘要
申请公布号
ZA9702907(B)
申请公布日期
1997.11.03
申请号
ZA19970002907
申请日期
1997.04.04
申请人
NORTON COMPANY
发明人
ROUNAN LI
分类号
B24D;C09K
主分类号
B24D
代理机构
代理人
主权项
地址
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