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发明名称
PLUNGER FOR OIL-WELL SUCKER-ROD PUMP
摘要
申请公布号
RU2072450(C1)
申请公布日期
1997.01.27
申请号
RU19950102896
申请日期
1995.02.28
申请人
AKTSIONERNOE OBSHCHESTVO OTKRYTOGO TIPA "PERMSKIJ NAUCHNO-ISSLEDOVATELSKIJ TEKHNOLOGICHESKIJ INSTITUT"
发明人
PRIZEMIRSKIJ VLADIMIR S;MALAFEEV ALEKSANDR S;BYCHKOV NIKOLAJ A;VOLYNSKIJ ALEKSANDR A
分类号
F04B47/02;F04B53/14;(IPC1-7):F04B47/02
主分类号
F04B47/02
代理机构
代理人
主权项
地址
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