2021 year China issued GB standards list


	GB/T 1927.3-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 3: Determination of the growth rings width and latewood rate of wood 无疵小试样木材物理力学性质试验方法第3部分：生长轮宽度和晚材率测定
	GB 11236-2021 Copper-bearing contraceptive intrauterine devices—Requirements and tests 含铜宫内节育器技术要求与试验方法
	GB/T 1927.6-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 6: Determination of shrinkage 无疵小试样木材物理力学性质试验方法第6部分：干缩性测定
	GB/T 39956.1-2021 Pneumatic fluid power—Electro-pneumatic pressure control valves—Part 1:Main characteristics to include in the supplier's literature 气动电-气压力控制阀第1部分：商务文件中应包含的主要特性
	GB/T 39883-2021 Examination methods for morphine in suspected drugs - Gas chromatography and gas chromatography-mass spectrometry 疑似毒品中吗啡检验气相色谱和气相色谱-质谱法
	GB/T 22268-2021 Vanilla—Vocabulary 香荚兰词汇
	GB/T 40320-2021 Measuring method for mechanical melting temperature of aluminum alloy 铝合金力学熔点测试方法
	GB/T 20969.5-2021 Special environmental condition—Machinery for plateau—Part 5:Guide rule of test for plateau natural environment—Construction machinery 特殊环境条件高原机械第5部分：高原自然环境试验导则工程机械
	GB/T 41029-2021 Specification for offshore well abandonment operation of oil & gas drilling 石油天然气钻井海洋弃井作业规程
	GB/T 14782-2021 Earth-moving machinery -- Grader -- Technical specifications 土方机械平地机技术条件
	GB/T 41052-2021 Full face tunnel boring machine -- Remote monitoring system 全断面隧道掘进机远程监控系统
	GB/T 40297-2021 Seamless austenitic stainless steel pipes for high pressure hydrogenation unit 高压加氢装置用奥氏体不锈钢无缝钢管
	GB/T 40771-2021 Representations of 3D features of urban real estate 城市不动产三维空间要素表达
	GB/T 25915.2-2021 Cleanrooms and associated controlled environments—Part 2: Monitoring to provide evidence of cleanroom performance related to air cleanliness by particle concentration 洁净室及相关受控环境第2部分：洁净室空气粒子浓度的监测
	GB/T 39952-2021 Titanium dioxide-based dispersion for photocatalysis 二氧化钛基光催化分散液
	GB 9706.202-2021 Medical electrical equipment—Part 2-2: Particular requirements for the basic safety and essential performance of high frequency surgical equipment and high frequency surgical accessories 医用电气设备第2-2部分：高频手术设备及高频附件的基本安全和基本性能专用要求
	GB/T 40316-2021 Welded high strength shaped and round steel tubes for automobile structure 汽车结构用高强度异型及圆形焊接钢管
	GB/T 40321-2021 High strength and toughness Al-Zn-Mg-Cu series aluminium alloy plate 高强高韧型Al-Zn-Mg-Cu系铝合金板材
	GB/T 19056-2021 Vehicle travelling data recorder 汽车行驶记录仪
	GB/T 40028.2-2021 Smart city—Smart medical—Part 2：Mobile health 智慧城市智慧医疗第2部分：移动健康

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