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发明名称
DEVICE FOR CUTTING PIPES IN BOREHOLES
摘要
申请公布号
SU1677247(A1)
申请公布日期
1991.09.15
申请号
SU19894695495
申请日期
1989.03.31
申请人
AZERB I NEFTI KHIMII IM.M.AZIZBEKOVA
发明人
GASANOV RAMIZ A,SU;NABIEV ADIL D,SU;DZHAFAROV MAMED M,SU;DZHABIEV SHAKHIN G,SU
分类号
E21B29/00
主分类号
E21B29/00
代理机构
代理人
主权项
地址
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