GOST R 59422.2-2021 Optics and photonics. Lasers and laser-related equipment. Standard optical elements. Part 2. Standard optical elements for laser equipment operating in the infrared spectral range. General technical requirements
2021GOST R 59422.2-2021 Optics and photonics. Lasers and laser-related equipment. Standard optical elements. Part 2. Standard optical elements for laser equipment operating in the infrared spectral range. General technical requirements