GB/T 39738-2020.Specification for monitoring of the national park.1范围GB/T 39738规定了国家公园监测的体系构建、内容指标、分析评价等要求,明确了监测程...
GB/T 39739-2020.Specification for assessment of the national park.1范围GB/T 39739规定了国家公园年度考核和阶段评价的周期、内容、指标等要求,明确了年度...
GB/T 39698-2020.Confirmation methods for delivering common Portland cement.1范围GB/T 39698规定了通用硅酸盐水泥出厂确认方法的基本要求、过程质量控制要求、...
GB/T 39564.1-2020.Multi-carrier shared distribution infrastructure for fibre to the home-Part 1 :Optical cable cross-connect cabinet.1范围GB/T 39564的本部分规定了光纤到户...
GB/T 39701-2020.Limit and test method of ammonium ion content in fly ash.1范围GB/T 39701规定了粉煤灰中铵离子含量的限量及检验方法。GB/T 39701适用于作水泥混...
GB/T 39704-2020.Determination of effective thermal conductivity for vacum insulation panels (VIP).1范围GB/T 39704规定了真空绝热板有效导热系数的测定方法。GB/T 3...
GB/T 39712-2020.Sulphoaluminate cement for marine rapid construction.1范围GB/T 39712规定了快速施工用海工硫铝酸盐水泥的组分与材料、技术要求、试验方法、...
GB/T 39071-2020.Brand evaluation-Guidelines for consumer perception measuring.1范围GB/T 39071给出了基于消费者感知的品牌感知指标的测量方法、测量程序和结果...
GB/T 39679-2020.Integrated circuit card device for lifts.1范围GB/T 39679规定了电梯IC卡装置的技术要求、试验方法、检验规则、标志、标签和随行文件,以及...
GB/T 39736-2020.Technical specification for the national park master plan.1范围GB/T 39736规定了国家公园总体规划的定位、原则、程序、目标、内容、生态影响...