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经营范围
发明名称
METHOD FOR RELEASING STUCK PIPES
摘要
申请公布号
SU1739000(A1)
申请公布日期
1992.06.07
申请号
SU19894745052
申请日期
1989.08.08
申请人
SP K BYURO I MATEMATIKI MEKHANIKI AN AZSSR
发明人
ALEKPEROV AZIZ G,SU;GADZHIEV YASHAR A,SU;GOROVITS PETR G,SU;ISKENDER-ZADE FUAD A,SU
分类号
E21B31/03
主分类号
E21B31/03
代理机构
代理人
主权项
地址
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