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发明名称
METHOD OF FLUSHING BOREHOLE WITH GAS-LIQUID MIXTURE
摘要
申请公布号
SU1613572(A1)
申请公布日期
1990.12.15
申请号
SU19884619804
申请日期
1988.12.14
申请人
IR OTDEL VNII METODIKI TEKHNIKI RAZVEDKI
发明人
SEREBRENNIKOV GENNADIJ P,SU;MIKHAJLOV ALEKSANDR F,SU
分类号
E21B21/14
主分类号
E21B21/14
代理机构
代理人
主权项
地址
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