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发明名称
Prueftrommel zur Bestimmung der Abriebfestigkeit koerniger Stoffe
摘要
申请公布号
DE1648785(A1)
申请公布日期
1971.07.29
申请号
DE19671648785
申请日期
1967.12.02
申请人
VEB PKM KOHLENVERARBEITUNG
发明人
GROSSMANN,KLAUS
分类号
G01N3/56
主分类号
G01N3/56
代理机构
代理人
主权项
地址
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