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GB/T 38652-2020 电子商务业务术语

GB/T 38652-2020.E-commerce business terminology.1 范围GB/T 38652界定了电子商务交易业务相关的术语和定...

GB/T 38679-2020.Test method for vehicle running deviation.1范围GB/T 38679规定了车辆在平直道...

GB/T 38661-2020.Technical specifications of battery management system for electr...

GB/T 38680-2020.Technical guidelines for central heating system using low grade...

GB/T 38584-2020.Basic requirement of service for park.1范围GB/T 38584规定了公园服务的总体原则、...

GB/T 28575-2020.Specification for YE3 series( IP55 ) three-phase induction motor...

GB/T 38691-2020.Testing method for specific surface area of petroleum refining c...

GB/T 38685-2020.Determination of sulphuric acid mist in tail gas for sulphuric a...

GB/T 19492-2020.Classifications for petroleum resources and reserves.1范围GB/T 194...

GB/T 38677-2020.Gas analysis-Measurement procedure and result-Technical requirem...

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