SYSTEM FOR THE TRANSFER OF ENERGY TO A DEVICE SUITABLE FOR UNDERGROUND PROSPECTION, INSERTED INTO A HOLE HOLE OR SHAFT
Номер патента: DE3701187A1
Опубликовано: 28-07-1988
Автор(ы): Charles Naville, Jean Laurent, Rene Paterna
Принадлежит: Compagnie Generale de Geophysique SA, IFP Energies Nouvelles IFPEN
Опубликовано: 28-07-1988
Автор(ы): Charles Naville, Jean Laurent, Rene Paterna
Принадлежит: Compagnie Generale de Geophysique SA, IFP Energies Nouvelles IFPEN
Method for the grit-free withdrawal of water from a well and also a device suitable therefor
Номер патента: CA1272442A. Автор: Rudolf Pelzer. Владелец: Kabelwerk Eupen AG. Дата публикации: 1990-08-07.