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发明名称
AMBULANTE BOHRVORRICHTUNG
摘要
申请公布号
DD251375(A1)
申请公布日期
1987.11.11
申请号
DD19860292767
申请日期
1986.07.23
申请人
VEB ENERGIEKOMBINAT ERFURT,DD
发明人
STEMMLER,WOLF P.,DD;WILLING,MANFRED,DD
分类号
E21B7/02;(IPC1-7):E21B7/02
主分类号
E21B7/02
代理机构
代理人
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地址
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