GB/T 18252-2020.Plastics piping and ducting systems-Determination of the long-term hydrostaticstrength of thermoplastics materials in pipe form by extrapolation.1范围GB/T 18252规定...
GB/T 39945-2021.Method of heat penetration test for canned food.1范围GB/T 39945规定了罐藏食品热穿透测试的术语和定义、热穿透测试原理、热穿透测试仪器...
GB/T 20674.1-2020.Plastics pipes and fittings-Equipment for fusion jointing polyethylene systems-Part 1: Butt fusion.1范围GB/T 20674.1规定了电热板加热的聚乙烯(PE)管道系...
GB/T 5862-2020.Agricultural tractors and machinery-General purpose quick-action hydraulic couplers.1范围GB/T 5862规定了GB/T 5860定义的将液压动力从农业拖拉机传送到...
GB/T 39925-2021.Stationary equipment for agriculture-Data communications network for livestock farming.1范围GB/T 39925规定了用于畜牧生产的计算机系统自动与交互通...
GB/T 28450-2020.Information technology-Security techniques-Guidelines for information security management systems auditing.1范围GB/T 28450在GB/T 19011-2013的基础上,为信息安...
GB/T 20674.2-2020.Plastics pipes and fittings- Equipment for fusion jointing polyethylene systems-Part 2: Electrofusion.1范围GB/T 20674.2规定了聚乙烯(PE)管道系统电熔连接...
GB/T 20261-2020.Information security technology-System security engineering-Capability maturity model.1范围GB/T 20261给出了系统安全工程能力成熟度模型(以下简称S...
GB/T 20996.2-2020.Performance of high-voltage direct current (HVDC) systems with line-commutated converters-Part 2 : Faults and switching.1范围GB/T 20996.2是关于高压直流系统...
GB/T 33588.4-2020.Lightning protection system components( LPSC)-Part 4: Requirements for conductor fasteners.1范围GB/T 33588.4规定了用于紧固和支撑接闪器、引下线和接...
