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经营范围
发明名称
ABRASIVE TOOL
摘要
申请公布号
PL129930(B2)
申请公布日期
1984.06.30
申请号
PL19810233454
申请日期
1981.10.14
申请人
发明人
分类号
B24D;B24D9/04;(IPC1-7):B24D9/04
主分类号
B24D
代理机构
代理人
主权项
地址
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