GOST 9.909-86
Unified system of protection against corrosion and aging. Metals, alloys, metallic and non-metallic inorganic coatings. Test methods at climatic test stations
Free download GOST 9.909-86 Unified system of protection against corrosion and aging. Metals, alloys, metallic and non-metallic inorganic coatings. Test methods for climatic test stations in PDF format