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发明名称
CIRCULATION VALVE
摘要
申请公布号
SU968336(A1)
申请公布日期
1982.10.23
申请号
SU19802965578
申请日期
1980.11.20
申请人
OSOBOE K BYURO PO PROEKTIROVANIYU NEFTEGAZODOBYVAYUSHCHIKH MASHIN OBORU MINISTERSTVA NEFTYANOGO KHIM MASHINOSTROENIYA
发明人
DZHAFAROV SHAMIL T,SU;EFENDIEV MUSA A,SU
分类号
E21B34/06;(IPC1-7):E21B34/06
主分类号
E21B34/06
代理机构
代理人
主权项
地址
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