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发明名称
INTERNAL RELEASING SPEAR
摘要
申请公布号
RU2014431(C1)
申请公布日期
1994.06.15
申请号
SU19904862962
申请日期
1990.08.31
申请人
UKRAINSKIJ NAUCHNO-ISSLEDOVATELSKIJ INSTITUT PRIRODNYKH GAZOV
发明人
BANCHUZHNYJ SERGEJ G;GORSHKOV ALEKSANDR K;KRAVETS VASILIJ Z;PUSTOVOJTENKO IVAN P
分类号
E21B31/00;(IPC1-7):E21B31/00
主分类号
E21B31/00
代理机构
代理人
主权项
地址
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