GB 27790-2020.City gas pressure regulator.1范围GB 27790规定了城镇燃气用燃气调压器(以下简称调压器)的术语和定义、符号、分类与标记、结构和材料、...
GB/T 39497-2020.New-type urbanization-Evaluation index system of quality city.1范围GB/T 39497规定了新型城镇化建设过程中,品质城市的评价指标体系、指标内涵...
GB/T 39426-2020.General technical specification for permanent magnetic direct drive motor vehicles of urban rail transit.1范围GB/T 39426规定了城市轨道交通永磁直驱车辆...
GB/T 39465-2020.Card of smart city union-Interface for charging data.1范围GB/T 39465规定了城市智慧卡互联互通充值架构及功能、报文和接口数据定义、充值申...
GB/T 39425-2020.General technical specfication for the permanent magnetic direct drive motor bogie of urban rail transit.1范围GB/T 39425规定了城市轨道交通车辆永磁直驱...
GB/T 39235-2020.Nutrient requirements of swine.1范围GB/T 39235规定了瘦肉型猪、脂肪型猪和肉脂型猪的营养需要量。GB/T 39235适用于饲料企业、各种类型养...
GB/T 39438-2020.Packed egg.1范围GB/T 39438规定了包装鸡蛋的术语和定义、分级、检测方法、检验规则、包装、标签与标识、贮存.运输和销售。GB/T...
GB/T 29401-2020.Sulfur coated urea (SCU).1 范围GB/T 29401规定了硫包衣尿素以及硫包衣缓释氮肥、硫包衣缓释复合肥料、含有部分硫包衣尿素的缓释掺混...
GB/T 39264-2020.Technical specification for unified management and control platform of smart hydropower plant.1范围GB/T 39264规定了智能水电厂一体化管控平台(以下简称...
GB/T 39269-2020.Voltage dip and short interruption-Immunity testing method for low voltage equipment.1 范围GB/T 39269规定了低压设备的电压暂降和短时中断耐受特性测...
