Draft Document - Railway applications - Mounted parts of the traction transformer and cooling system - Part 4: Gas and liquid actuated (Buchholz) relay for liquid immersed transformers and reactors with conservator for rail vehicles; German version CLC/FprTS 50537-4:2009
文件草案——铁路应用——牵引变压器和冷却系统的安装部件——第4部分:铁路车辆用液浸式变压器和带储油柜的电抗器用气体和液体驱动(Buchholz)继电器;德文版CLC/FprTS 50537-4:2009