CLOSED CRYOGENIC BARRIER FOR CONTAINMENT OF HAZARDOUS MATERIAL IN THE EARTH,申请号EP19890910247-传众专利搜索

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发明名称	CLOSED CRYOGENIC BARRIER FOR CONTAINMENT OF HAZARDOUS MATERIAL IN THE EARTH
摘要
申请公布号	EP0480926(A4)	申请公布日期	1992.05.13
申请号	EP19890910247	申请日期	1989.08.23
申请人	RKK, LTD.	发明人	KRIEG, RONALD, K.;DRUMHELLER, JOHN, A.
分类号	G21F9/36;B09B1/00;B65G5/00;E02D3/115;E02D31/00;F25D3/00;(IPC1-7):F25D23/12;E02D3/12;E02D19/14	主分类号	G21F9/36
代理机构		代理人
主权项
地址

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