APPARATUS FOR ELECTROTHERMAL DRILLING OF WELL IN ICE,申请号SU19823497468-传众专利搜索

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发明名称	APPARATUS FOR ELECTROTHERMAL DRILLING OF WELL IN ICE
摘要
申请公布号	SU1078068(A1)	申请公布日期	1984.03.07
申请号	SU19823497468	申请日期	1982.10.05
申请人	ARKTICHESKIJ ANTARKTICHESKIJ NI INSTITUT	发明人	MANEVSKIJ LEV N,SU;MOREV VALENTIN A,SU;PUKHOV VLADIMIR A,SU;YAKOVLEV VLADIMIR M,SU
分类号	E21C37/18;E21B7/15;(IPC1-7):E21C37/18	主分类号	E21C37/18
代理机构		代理人
主权项
地址

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