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发明名称
DEVICE FOR EXAMINING THE ABRASION OF SOLID MATERIALS
摘要
申请公布号
PL108061(B1)
申请公布日期
1980.03.31
申请号
PL19770203731
申请日期
1977.12.31
申请人
发明人
分类号
G01N;G01N3/56;(IPC1-7):G01N3/56
主分类号
G01N
代理机构
代理人
主权项
地址
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