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发明名称
Устройство для определения уровней жидкости в скважинах
摘要
申请公布号
SU84862(A1)
申请公布日期
1949.11.30
申请号
SU19430321715
申请日期
1943.04.19
申请人
ZAKHAROV A.A.
发明人
ZAKHAROV A.A.
分类号
G01F23/14;E21B47/04
主分类号
G01F23/14
代理机构
代理人
主权项
地址
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