Optics and optical instruments - Environmental test methods - Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide (ISO 9022-20:1997)— 6 стр.
37.020 Optical. Including microscopes, telescopes, binoculars, optical materials, optical components and optical systems / Оптическое оборудование. Включая микроскопы, телескопы и т.д.
