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发明名称
METHOD OF COATING OF ABRASIVE GRAINS
摘要
申请公布号
PL140506(B1)
申请公布日期
1987.05.30
申请号
PL19830243303
申请日期
1983.08.04
申请人
发明人
分类号
C04B;C04B41/45;(IPC1-7):C04B41/45
主分类号
C04B
代理机构
代理人
主权项
地址
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