GB/T 39706-2020.Test method for dissolution rate and quantity of SO42- released from gypsum.1范围GB/T 39706规定了石膏中SO42-溶出速率及溶出量的测定方法。GB/T 39...
GB/T 39711-2020.Sulphoaluminate cement mending binder for marine engineering.1范围GB/T 39711规定了海洋工程用硫铝酸盐水泥修补胶结料的材料要求,强度等级，技...
GB/T 39716-2020.Test method for air-purification performance of photocatalytic materials and products-Removal of nitric oxide.1范围GB/T 39716规定了光催化材料及制品去除空...
GB/T 24722-2020.Glass beads for road markings.1范围GB/T 24722规定了路面标线用玻璃珠的产品分类与用途、技术要求、试验方法.检验规则,以及标志、包...
GB/T 39675-2020.Technical requirement for information exchange of power grid meteorology.1范围GB/T 39675规定了电网气象信息交换基本要求、通用数据模型及技术指...
GB/T 39604-2020.Social responsibility management systems-Requirements with guidance for use.1范围GB/T 39604规定了社会责任管理体系要求,并给出了其使用指南,以使...
GB/T 39634-2020.Management specification for water-saving of hotels.1范围GB/T 39634规定了宾馆节水管理的基本要求、设备设施要求和定额管理要求。GB/T 3963...
GB/T 39720-2020.Information security technology-Security technical requirements and test evaluation approaches for smart mobile terminal.1范围GB/T 39720规定了移动智能终端安...
GB/T 39632-2020.Terminology of marine disaster prevention and mitigation.1范围GB/T 39632界定了海洋防灾减灾工作的基本术语及其定义。GB/T 39632适用于海洋防灾...
GB/T 39646-2020.Laboratory animal-General guidelines for health monitoring.1范围GB/T 39646规定了实验动物健康监测的总体原则、健康监测系统、健康监测项目、...
