DEVICE FOR DELIVERING FOAM INTO WELL,申请号RU19940009206-传众专利搜索

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发明名称	DEVICE FOR DELIVERING FOAM INTO WELL
摘要
申请公布号	RU2081994(C1)	申请公布日期	1997.06.20
申请号	RU19940009206	申请日期	1994.03.18
申请人	KURSKIJ GOSUDARSTVENNYJ PEDAGOGICHESKIJ INSTITUT	发明人	VOROVSKIJ ALEKSANDR A;NERUCHEV YURIJ A;SOBOLEV SERGEJ V
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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