2019 year China issued GB standards list


	GB/T 37490-2019 Project, programme and portfolio management—Guidance on portfolio management 项目、项目群和项目组合管理项目组合管理指南
	GB/T 19472.1-2019 Polyethylene structure wall pipeline system for underground usage—Part 1: Polyethylene double wall corrugated pipes 埋地用聚乙烯（PE）结构壁管道系统第1部分：聚乙烯双壁波纹管材
	GB/T 38471-2019 Recycling materials for copper 再生铜原料
	GB 12663-2019 Intrusion and hold-up systems—Control and indicating equipment 入侵和紧急报警系统控制指示设备
	GB/T 37520-2019 Titanium alloy extrusion profiles for aviation 航空用钛合金挤压型材
	GB/T 37905-2019 Reclaimed water quality—Determination of chromium—Voltammetry and polarography 再生水水质铬的测定伏安极谱法
	GB/T 37945-2019 Materials for organic light emitting diode display(OLED)—Test method of glass transfer temperature—Differential scanning calorimetry (DSC) 有机发光二极管显示器用材料玻璃化转变温度测试方法差热法
	GB/T 17275-2019 Technical requirements for freight draw-bar trailers 货运牵引杆挂车通用技术条件
	GB/T 37885-2019 Chemical reagent—Classification 化学试剂分类
	GB/T 21114-2019 Refractories—Chemical analysis by X-ray fluorescence(XRF)—Fused cast-bead method 耐火材料 X射线荧光光谱化学分析熔铸玻璃片法
	GB/T 37995-2019 Rubber ring of main drive chain for wind turbine generator system 风力发电机组主传动链系统橡胶密封圈
	GB/T 4798.1-2019 Classification of environmental conditions—Classification of groups of environmental parameters and their severities Part1:—Storage 环境条件分类环境参数组分类及其严酷程度分级第1部分：贮存
	GB/T 36992-2019 Manual interdental brushes 手动牙间刷
	GB/T 31838.2-2019 Solid insulating materials—Dielectric and resistive properties—Part 2: Resistive properties (DC methods)—Volume resistance and volume resistivity 固体绝缘材料介电和电阻特性第2部分：电阻特性(DC方法) 体积电阻和体积电阻率
	GB/T 50597-2019 Standard for terminology measure units and symbols in textile engineering 纺织工程常用术语、计量单位及符号标准
	GB/T 38279-2019 Technical specification of auxiliary material for lead-acid batteries 铅酸蓄电池用辅料技术规范
	GB/T 38273.1-2019 Plastics—Thermoplastic polyester/ester and polyether/ester elastomers for moulding and extrusion—Part 1:Designation system and basis for specification 塑料热塑性聚酯/酯和聚醚/酯模塑和挤塑弹性体第1部分：命名系统和分类基础
	GB/T 37749-2019 Poplar mushroom 茶树菇
	GB/T 37350-2019 Design guidelines for superstructure of self-elevating drilling units 自升式钻井平台上层建筑结构设计指南
	GB 51364-2019 Standard for design of environmental protection of shipyard rpoject 船舶工业工程项目环境保护设施设计标准

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