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经营范围
发明名称
DRILLING COLUMN SHOCK ABSORBER
摘要
申请公布号
SU796382(A1)
申请公布日期
1981.01.15
申请号
SU19792736171
申请日期
1979.03.11
申请人
UFIMSKIJ NEFTYANOJ I;AZERB I NEFTI KHIMII IM. M.AZIZBEKOVA
发明人
KERIMOV ZAID G,SU;SULTANOV BAJRAK Z,SU;YAMALTDINOV ASGAT ,SU
分类号
E21B17/06;(IPC1-7):E21B17/06
主分类号
E21B17/06
代理机构
代理人
主权项
地址
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