DEVICE FOR ELECTROTHERMAL WELL-DRILLING,申请号SU19884470247-传众专利搜索

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发明名称	DEVICE FOR ELECTROTHERMAL WELL-DRILLING
摘要
申请公布号	SU1608340(A1)	申请公布日期	1990.11.23
申请号	SU19884470247	申请日期	1988.08.01
申请人	VNII METODIKI TEKHNIKI RAZVEDKI	发明人	BRODOV GERMAN S,SU;TSYGANENKO STEPAN M,SU;KRAVTSOV BORIS F,SU;KROT OLEG I,SU
分类号	E21C37/18	主分类号	E21C37/18
代理机构		代理人
主权项
地址

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