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发明名称
DEVICE FOR MEASURING WELL LIQUID LEVEL AND DEPTH
摘要
申请公布号
SU825884(A1)
申请公布日期
1981.04.30
申请号
SU19752188027
申请日期
1975.11.05
申请人
ARKELOVA OFELIYA K,SU;LARIN EVGENIJ ,SU;FATALIEV GABIB S,SU
发明人
ARKELOVA OFELIYA K,SU;LARIN EVGENIJ I,SU;FATALIEV GABIB S,SU
分类号
E21B47/04;G01B21/18;(IPC1-7):E21B47/04
主分类号
E21B47/04
代理机构
代理人
主权项
地址
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