DEVICE FOR UNSCREWING PIPES IN WELL,申请号SU19884377977-传众专利搜索

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发明名称	DEVICE FOR UNSCREWING PIPES IN WELL
摘要
申请公布号	SU1559104(A1)	申请公布日期	1990.04.23
申请号	SU19884377977	申请日期	1988.02.11
申请人	AZERB NI PK I NEFTYANOGO MASHINOSTROENIYA	发明人	MAMEDOV ALLADIN A,SU;ABASOV FARKHAD M,SU
分类号	E21B31/00	主分类号	E21B31/00
代理机构		代理人
主权项
地址

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