TY - SER AU - Mauthe, G. AU - Hogg, P. AU - Horisberger, W. TI - SF6 switchgear type ELK for 145 to 525 kV KW - HIGH-VOLTAGE SWITCHGEAR KW - SF6 INSULATION N1 - Structural features and technical data of type ELK metal-clad switchgear with SF6 insulation ER -