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发明名称
VORRICHTUNG ZUR AUFNAHME EINER MESSROLLE UND ZUR FUEHRUNG EINES MESSKABELS FUER GEOPHYSIKALISCHE MESSUNGEN
摘要
申请公布号
DD245922(A1)
申请公布日期
1987.05.20
申请号
DD19860286476
申请日期
1986.01.27
申请人
VEB ZENTR. REPARATUR- U. AUSRUESTUNGSWERK,DD
发明人
KOEHLER,EBERHARD,DD;NICKEL,LOTHAR,DD;FLEISCHER,GERHARD,DD;JAEGER,HELLMUT,DD
分类号
E21B47/12;(IPC1-7):E21B47/12
主分类号
E21B47/12
代理机构
代理人
主权项
地址
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