2019 year China issued GB standards list


	GB/T 37871-2019 Technical specification for quality evaluation of nucleic acid test kit 核酸检测试剂盒质量评价技术规范
	GB/T 37318-2019 Power harmonic filter on marine 船舶电力谐波滤波器
	GB/T 37482-2019 Implementation guidance for energy management systems in aluminum electrolysis industry 电解铝行业能源管理体系实施指南
	GB/T 37891.4-2019 Cutter arbors with parallel key and tenon drive—Part 4: Dimensions and designation of tool holders with 7/24 taper without automatic tool changers 带平键和端键传动的铣刀杆第4部分：带7:24手动换刀圆锥柄刀杆的尺寸和标记
	GB 7300.202-2019 Feed additives－Part 2：Vitamins, provitamins and chemically well-defined substances having similar effect－Vitamin D3 oily form 饲料添加剂第2部分：维生素及类维生素维生素D3油
	GB/T 50113-2019 Technical standard of slipform engineering 滑动模板工程技术标准
	GB/T 37695-2019 Intelligent manufacturing—Object identification requirements 智能制造对象标识要求
	GB/T 37621-2019 Buried type butterfly valve 直埋式蝶阀
	GB/T 37583-2019 Sanitary wares—Statistic rules and methods 卫生陶瓷统计规则与方法
	GB/T 25341.1-2019 Quality of railway passenger transport service—Part 1:General 铁路旅客运输服务质量第1部分：总则
	GB/T 37397-2019 Ozone calibrators and analyzers 臭氧校准分析仪
	GB/T 31843.450-2019 Maritime navigation and radiocommunication equipment and systems—Digital interfaces—Part 450：Multiple talkers and multiple listeners—Ethernet interconnection 海上导航和无线电通信设备及系统数字接口第450部分：多发话器和多受话器以太网连接
	GB/T 38387-2019 Noise reduction rubber expansion joint device for bridges 桥梁橡胶降噪伸缩装置
	GB/T 38020.1-2019 Watch-cases and accessories—Gold alloy coverings—Part 1:General requirements 表壳体及其附件金合金覆盖层第1部分：一般要求
	GB/T 38419-2019 Textiles—Determination of Michler’s ketone and Michler’s base 纺织品米氏酮和米氏碱的测定
	GB/T 37857-2019 Thermoforming disposable urine cup made by polylactic acid 聚乳酸热成型一次性验尿杯
	GB/T 37304-2019 Flax stripping machine—Operating quality 亚麻剥麻机作业质量
	GB/T 223.88-2019 Iron, steel and alloy—Determination of calcium and magnesium contents—Inductively coupled plasma atomic emission spectrometric method 钢铁及合金钙和镁含量的测定电感耦合等离子体原子发射光谱法
	GB/T 38265.2-2019 Test methods for soft soldering fluxes—Part 2: Determination of non-volatile matter—Ebulliometric method 软钎剂试验方法第2部分：不挥发物质含量的测定沸点法
	GB/T 37817-2019 Risk based verification of offshore structures 基于风险评估的海上设施结构物校验

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