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发明名称
PREVENTER WITH MANUAL CONTROL
摘要
申请公布号
RU1812300(C)
申请公布日期
1993.04.30
申请号
SU19914919697
申请日期
1991.01.03
申请人
AZERBAJDZHANSKIJ NAUCHNO-ISSLEDOVATELSKIJ I PROEKTNO-KONSTRUKTORSKIJ INSTITUT NEFTYANOGO MASHINOSTROENIYA
发明人
FRENKEL BORIS O;TSVETKOV IVAN I;AKHADOVA IRADA R
分类号
E21B33/06;(IPC1-7):E21B33/06
主分类号
E21B33/06
代理机构
代理人
主权项
地址
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