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发明名称
摘要
申请公布号
DE3214758(C2)
申请公布日期
1986.09.04
申请号
DE19823214758
申请日期
1982.04.21
申请人
RUHRKOHLE AG, 4300 ESSEN, DE
发明人
KOESTER, HANS;GERASCH, MANFRED;MASCHEREK, FRIEDRICH, 4650 GELSENKIRCHEN, DE
分类号
G01N1/22;(IPC1-7):G01N1/24;E21F17/00
主分类号
G01N1/22
代理机构
代理人
主权项
地址
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