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经营范围
发明名称
PACKER FOR SEGREGATION OF OPENING OIL AND GAS GUSHER
摘要
申请公布号
SU1576684(A1)
申请公布日期
1990.07.07
申请号
SU19874343474
申请日期
1987.11.25
申请人
IVANO-FRANKOVSKIJ I NEFTI GAZA
发明人
KHRABATIN MIRON G,SU;DROGOMIRETSKIJ YAROSLAV N,SU;KALINA LEONID M,SU;ZRAJKO IVAN N,SU
分类号
E21B33/12;E21B35/00
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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