Optics and photonics. Lasers and laser-related equipment. Standard optical elements. Part 1. Standard optical elements for laser equipment operating in the ultraviolet, visible and near-infrared spectral ranges. General technical requirements
Safety of transformers, reactors, power supply units and combinations thereof. Part 2-10. Particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V
