2017 year China issued GB standards list


	GB/T 33975-2017 Hot-rolled spring steel wire rod for high-speed railway fastener 高速铁路扣件用弹簧钢热轧盘条
	GB/T 14683-2017 Silicone and modified silicone sealants for building 硅酮和改性硅酮建筑密封胶
	GB/T 18511-2017 Determination of ignition temperature of coal 煤的着火温度测定方法
	GB/T 33992-2017 Specification for quality information of electronic commerce product 电子商务产品质量信息规范
	GB/T 34591-2017 Terms of air suspension for commercial vehicle 商用车空气悬架术语
	GB/T 21645.11-2017 Technical requirements for Automatically Switched Optical Network (ASON)—Part11:Path Computation Element (PCE) and protocol 自动交换光网络（ASON）技术要求第11部分：路径计算单元（PCE）及协议
	GB/T 34903.1-2017 Petroleum,petrochemical and natural gas industries—Non-metallic materials in contact with media related to oil and gas production—Part 1:Thermoplastics 石油、石化与天然气工业与油气开采相关介质接触的非金属材料第1部分：热塑性塑料
	GB/T 19889.18-2017 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 18: Laboratory measurement of sound generated by rainfall on building elements 声学建筑和建筑构件隔声测量第18部分：建筑构件雨噪声隔声的实验室测量
	GB/T 34208-2017 Iron and steel—Determination of antimony and tin content—Inductively coupled plasma atomic emission spectrometric method 钢铁锑、锡含量的测定电感耦合等离子体原子发射光谱法
	GB/T 34041.2-2017 Measurement of fluid flow in closed conduits—Ultrasonic meters for gas—Part 2: Meters for industrial applications 封闭管道中流体流量的测量气体超声流量计第2部分：工业测量用气体超声流量计
	GB/T 34917-2017 Determination of gelation degree of unplasticized poly(vinyl chloride)(PVC-U) products—Torque rheometer method 硬聚氯乙烯(PVC-U)制品凝胶化度的测定转矩流变仪法
	GB/T 34550.1-2017 Method for evaluation of cooling seawater treatment agents—Part 1: Determination of corrosion inhibition performance 海水冷却水处理药剂性能评价方法第1部分: 缓蚀性能的测定
	GB/T 34653-2017 Full face tunnel boring machine—Single shield hard rock tunnel boring machine 全断面隧道掘进机单护盾岩石隧道掘进机
	GB/T 33877-2017 Non-destructive testing—Test method for comparing the brightness of fluorescent penetrants 无损检测荧光渗透剂亮度测定方法
	GB/T 18271.1-2017 Process measurement and control devices—General methods and procedures for evaluating performance—Part 1: General considerations 过程测量和控制装置通用性能评定方法和程序第1部分：总则
	GB/T 34499.1-2017 Method for chemical analysis of iridium compounds—Part 1: Determination of iridium content—Electricity titration using ferrous sulfate 铱化合物化学分析方法第1部分：铱量的测定硫酸亚铁电流滴定法
	GB/T 2930.9-2017 Rules of seed testing for forage, turfgrass and other herbaceous plant—Weight determination 草种子检验规程重量测定
	GB/T 27022-2017 Conformity assessment—Requirements and recommendations for content of a third-party audit report on management systems 合格评定管理体系第三方审核报告内容要求和建议
	GB/T 34475-2017 Urea grade austenitic stainless steel bars 尿素级奥氏体不锈钢棒
	GB/T 24689.2-2017 Equipment for crop protection—Insect-killing light trap 植物保护机械杀虫灯

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