Safety of power transformers, power supply units and similar, Particular requirements for isolating transformers for the supply of medical locations— 20 стр.
Safety of transformers, reactors,power supply units and similar products for supply voltages up to 1100 V, Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers— 18 стр.
Road vehicles. Connectors for the electrical connection of towing and towed vehicles. 13-pole connectors for vehicles with 12 V nominal supply voltage— 18 стр.