GB/T 19473.5-2020 冷热水用聚丁烯(PB)管道系统第5部分:系统适用性
GB/T 19473.5-2020.Polybutene (PB) piping systems for hot and cold water installa...
国家标准2023.08.04
GB/T 19473.5-2020.Polybutene (PB) piping systems for hot and cold water installa...
国家标准2023.08.04
GB/T 19473.2-2020.Polybutene (PB) piping systems for hot and cold water installa...
国家标准2023.08.04
GB/T 1454-2021.Test method for edgewise compressive properties of sandwich const...
国家标准2023.08.04
GB/T 19473.1-2020.Polybutene ( PB) piping systems for hot and cold water install...
国家标准2023.08.04
GB/T 18852-2020.Non-destructive testing-Ultrasonic testing-Reference blocks and...
国家标准2023.08.04
GB/T 20323-2020.Milling cutters designation-Shank-type and bore-type milling cut...
国家标准2023.08.04
GB/T 25807-2010.m-Carbamidoaniline hydrochloride.1 范围GB/T 25807规定了间脲基苯胺盐酸盐的要求、采样...
国家标准2023.08.04
GB/T 10663-2014.Disperse dyes-Determination of migration property-High temperatu...
国家标准2023.08.04
GB/T 29493.9-2014.Determination of harmful substances in textile dyeing and fini...
国家标准2023.08.04
GB/T 10781.11-2021.Quality requirements for bajjiu-Part 11 :Fuyuxiangxing baijiu...
国家标准2023.08.04