2021 year China issued GB standards list


	GB/T 39715.2-2021 Plastics—Biobased content—Part 2: Determination of biobased carbon content 塑料生物基含量第2部分：生物基碳含量的测定
	GB/T 40715-2021 Specification of precast concrete curtain wall panel 装配式混凝土幕墙板技术条件
	GB/T 40062-2021 Method for determination of total inorganic chloride in denatured fuel ethanol and fuel ethanol—Ion chromatography 变性燃料乙醇和燃料乙醇中总无机氯的测定方法离子色谱法
	GB/T 40084-2021 Guidance for energy management performance assessment in iron and steel industry 钢铁行业能源管理绩效评价指南
	GB/T 14467-2021 Classification and codes of China plants 中国植物分类与代码
	GB/T 37199.1-2021 Plastics—Polybutene(PB) moulding and extrusion materials—Part 1：Designation system and basis for specifications 塑料聚丁烯（PB）模塑和挤出材料第1部分：命名系统和分类基础
	GB/T 38146.3-2021 China automotive test cycle—Part 3: Engine 中国汽车行驶工况第3部分：发动机
	GB/T 38206.5-2021 Methods to assess the reliability of pneumatic components—Part 5: Non-return valves, shuttle valves, dual pressure valves (AND function), one-way adjustable flow control valves, quick-exhaust valves 气动元件可靠性评估方法第5部分：止回阀、梭阀、双压阀（与阀）、单向节流阀及快排阀
	GB/T 40653-2021 英文名称：Information security technology—Technical requirements for security processor 信息安全技术安全处理器技术要求
	GB/T 40614-2021 Technical requirment of performance evaluation for solar thermal power plant 光热发电站性能评估技术要求
	GB/T 39380.1-2021 Chlorinated poly (vinyl chloride) (PVC-C) piping system for fire sprinkler installations—Part 1：Pipes 喷水灭火用氯化聚氯乙烯（PVC-C）管道系统第1部分：管材
	GB/T 39715.1-2021 Plastics—Biobased content—Part 1: General principles 塑料生物基含量第1部分：通用原则
	GB/T 40473.5-2021 Banking application system—Nonfunctional requirement—Part 5: Usability 银行业应用系统非功能需求第5部分：易用性
	GB/T 40081-2021 Automatic rescue operation device for lifts 电梯自动救援操作装置
	GB/T 28907-2021 Sulfuric acid dew-point corrosion resistance steel plate and strip 耐硫酸露点腐蚀钢板和钢带
	GB/T 40420.6-2021 Broadband customer gateway virtualization based on public telecommunication network—Part 6: Technical requirements for virtualized business gateway 基于公用电信网的宽带客户网关虚拟化第6部分：虚拟企业网关功能技术要求
	GB/T 40259-2021 General specification for supporting quality of longwall face 综采工作面支护质量检测技术条件
	GB/T 40420.5-2021 Broadband customer gateway virtualization based on public telecommunication network—Part 5: Function and technology requirements for virtual residential gateway 基于公用电信网的宽带客户网关虚拟化第5部分:虚拟家庭网关功能技术要求
	GB/T 40256-2021 Code of diagnosis for marteiliosis of oysters—Microscopic methods 牡蛎马尔太虫病诊断规程显微镜检查组织法
	GB/T 40420.4-2021 Broadband customer gateway virtualization based on public telecommunication network—Part 4:Technical requirements for physical business gateway 基于公用电信网的宽带客户网关虚拟化第4部分：实体企业网关技术要求

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