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发明名称
PIPE ELEVATOR
摘要
申请公布号
SU1687763(A1)
申请公布日期
1991.10.30
申请号
SU19894657505
申请日期
1989.01.03
申请人
NEFTEGAZODOBYVAYUSHCHEE U "ALMETEVNEFT"
发明人
IBRAGIMOV NAIL G,SU;RAYANOV MUDARIS M,SU
分类号
E21B19/06
主分类号
E21B19/06
代理机构
代理人
主权项
地址
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