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发明名称
WELLHEAD FITTING FOR UNDERWATER WELL
摘要
申请公布号
SU1155718(A1)
申请公布日期
1985.05.15
申请号
SU19833665293
申请日期
1983.11.24
申请人
AZERB NII NEFTYANOGO MASHINOSTROENIYA
发明人
PEREVEZENTSEV LEONID V,SU;GADZHIEV KHUDAVERDI V,SU;ABDULLAEV VLADIMIR G,SU
分类号
E21B33/035;(IPC1-7):E21B33/035
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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