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发明名称
METHOD AND APPARATUS FOR DIRECTIONAL DRILLING BOREHOLES
摘要
申请公布号
SU1599512(A1)
申请公布日期
1990.10.15
申请号
SU19874299769
申请日期
1987.06.23
申请人
UFIMSKIJ NEFTYANOJ INSTITUT
发明人
LYAGOV ALEKSANDR V,SU;SULTANOV BAJRAK Z,SU;KRAVTSOV ANATOLIJ I,SU;SAFIULLIN RADIS R,SU;RIZVANOV NAIL M,SU;SHAKHMAEV ZUFAR M,SU;YUMASHEV RASHIT KH,SU;DUBROVIN EVGENIJ F,SU
分类号
E21B7/06
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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