GB/T 18993.5-2020.Chlorinated poly ( vinyl chloride) (PVC-C) piping systems for hot and cold water installations-Part 5: Fitness for the purpose of system.1范围GB/T 18993的本部分...
GB/T 39798-2021.Test methods for optical properties of glass used on multiple units.1范围GB/T 39798规定了动车组玻璃的副像偏离、光学畸变、雾度、透光率、光学...
GB/T 18993.1-2020.Chlorinated poly ( vinyl chloride) (PVC-C) piping systems for hot and cold water installations- Part 1: General.1范围GB/T 18993.1规定了冷热水用氯化聚氯乙...
GB/T 39755.1-2021.Elctronic records management capability system-Part 1: General requirements.1范围GB/T 39755的本部分规定了机构电子文件管理的目标和机构开展电...
GB/T 39749-2021.Evaluation method and graduation for energy efficiency performance of insulating glass unit.1范围GB/T 39749规定了中空玻璃隔热保温性能的术语和定义、...
GB/T 39796-2021.Test method for airbone sound insulating properties of glass used on multipe units.1范围GB/T 39796规定了动车组玻璃隔声性能试验方法的试验频率、试...
GB/T 39797-2021.Test method for surface tension of glass melt-Sessile drop method.1范围GB/T 39797规定了测量玻璃熔体表面张力的测量原理、仪器设备、试样、试...
GB/T 39806-2021.Safety performance evaluation of suspended floor,stairs, trail and plank road glass.1范围GB/T 39806规定了悬空地板、踏步、步道及栈道玻璃的安全性...
GB/T 39794.1-2021.Test method for wind uplift resistance of metal roof-Part 1: Static pressure method.GB/T 39794的本部分规定了金属屋面抗风掀性能静态压力检测方法...
GB/T 12787-2020.Radiation protection instrumentation-Warning equipment for criticality accidents.1范围GB/T 12787适用于通过探测临界事故产生的γ辐射和/或中子,而发...
