GB/T 45419-2025 Emblem of the Young Pioneers of China

GB/T 1733-1993 Determination of resistance to water of films GB/T 1740-2007 Determination of resistance to heat and humidity of paint films GB/T 1766-2008 Paints and varnishes—Rating schemes of degradation of coats GB/T 1865-2009 Paints and varnishes—Artificial weathering and exposure to artificial radiation—Exposure to filtered xenon-arc radiation GB/T 3854-1983 Test method for hardness of fiber reinforced plastics by means of a Barcol impressor GB/T 3854-2005 Test method for hardness of reinforced plastics by means of a Barcol impresser GB/T 3854-2017 Test method for hardness of reinforced plasticsby means of a Barcol impresser GB/T 3977-2008 Specification of colors GB/T 3978-2008 Standard illuminants and geometric conditions GB/T 5698-2001 Glossary of color terms GB/T 6739-1996 Determination of film hardness by pencil test GB/T 6739-2006 Paints and varnishes—Determination of film hardness by pencil test GB/T 6739-2022 Paints and varnishes—Determination of film hardness by pencil test GB/T 7921-2008 Uniform color space and color difference formula GB/T 9286-2021 Paints and varnishes—Cross-cut test GB/T 9754-1988 Paints and varnishes—Measurement of specular gloss of non-metallic paint films at 20°, 60°and 85° GB/T 9754-2007 Paints and varnishes—Determination of specular gloss of non-metallic paint films at 20°,60°and 85° GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests GB 15093-1994 National emblem GB 15093-2008 National emblem GB 28480-2012 Adornment—Provision for limit of baneful elements GB/T 40057-2021 Emblem of the Communist Youth League of China GB 15093-2025 National emblem GB/T 9754-2025 Paints and varnishes—Determination of gloss value at 20°、60° and 85° GB 28480-2026 Jewellery—Technical requirements for safety