FOAMING COMPOSITION FOR DRILLING PERMAFROST ROCK,申请号SU19833605661-传众专利搜索

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发明名称	FOAMING COMPOSITION FOR DRILLING PERMAFROST ROCK
摘要
申请公布号	SU1213172(A1)	申请公布日期	1986.02.23
申请号	SU19833605661	申请日期	1983.06.14
申请人	IR OTDEL VNII METODIKI TEKHNIKI RAZVEDKI	发明人	RZHEPKA ALBINA V,SU;KORCHAGIN SERGEJ V,SU;FIGURAK ANATOLIJ A,SU
分类号	E21B21/14;(IPC1-7):E21B21/14	主分类号	E21B21/14
代理机构		代理人
主权项
地址

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