DISPOSITIVO PER AUMENTARE LA TEMPERATURA DI UNA FORMAZIONE GEOLOGICA ATTRAVERSATA DA UN POZZO
申请公布号:IT1151877(B)
申请号:IT19820020780
申请日期:1982.04.15
申请公布日期:1986.12.24
发明人:GADELLE CLAUDE;PAUC ANDRE';BURGER JACQUES;MARRAST JACQUES
分类号:E21B36/00;E21B36/04;(IPC1-7):E21B/
主分类号:E21B36/00
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