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发明名称
METHOD OF DETERMINING DYNAMIC LEVEL OF LIQUID IN WELL
摘要
申请公布号
SU1024587(A1)
申请公布日期
1983.06.23
申请号
SU19802998284
申请日期
1980.10.24
申请人
VNI PK I PO OSUSHENIYU MESTOROZHDENIJ POLEZNYKH ISKOPAEMYKH,CüE|ôAóÓHÕM ×OPHÕM PA¬OTAM,PÔ¯HôÚHOö ×EOóO×ôô ô MAPKÛEö¯EPCKOMÔ ¯EóÔ
发明人
PETRICHENKO VITALIJ P,SU;TIMOFEEV ANATOLIJ P,SU
分类号
E21B47/047;(IPC1-7):E21B47/04
主分类号
E21B47/047
代理机构
代理人
主权项
地址
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