2021 year China issued GB standards list


	GB/T 15104-2021 Decorative veneered wood-based panel 装饰单板贴面人造板
	GB/T 40317-2021 Seamless stainless steel pipes for oxygen pipeline 氧气管线用不锈钢无缝钢管
	GB/T 40315-2021 Plastics—Small enclosures for conditioning and testing using aqueous solutions to maintain the humidity at a constant value 塑料采用水溶液保持湿度恒定进行状态调节和试验的小密闭容器
	GB/T 21437.3-2021 Road vehicles—Test method of electrical disturbances from conduction and coupling—Part 3: Electrical transient transmission by capacitive and inductive coupling via lines other than supply lines 道路车辆电气/电子部件对传导和耦合引起的电骚扰试验方法第3部分：对耦合到非电源线电瞬态的抗扰性
	GB/T 5162-2021 Metallic powders—Determination of tap density 金属粉末振实密度的测定
	GB/T 5095.2507-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-7: Test 25g: Impedance, reflection coefficient, and voltage standing wave ratio (VSWR) 电子设备用机电元件基本试验规程及测量方法第25-7部分：试验25g：阻抗、反射系数和电压驻波比（VSWR）
	GB/T 40312-2021 Ferrophosphorus—Determination of phosphorus, silicon, manganese and titanium content—Wavelength dispersive X-ray fluorescence spectrometry method (fused cast bead method) 磷铁磷、硅、锰和钛含量的测定波长色散X射线荧光光谱法（熔铸玻璃片法）
	GB/T 6730.25-2021 Iron ores—Determination of total rare earth contents—Oxalate gravimetric method 铁矿石稀土总量的测定草酸盐重量法
	GB/T 41195-2021 Specification for basic data items of public credit information 公共信用信息基础数据项规范
	GB/T 5095.2307-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-7: Screening and filtering tests—Test 23g: Effective transfer impedance of connectors 电子设备用机电元件基本试验规程及测量方法第23-7部分：屏蔽和滤波试验试验23g：连接器的有效转移阻抗
	GB/T 40342-2021 Method for determination of aluminum content in hot dipped zinc-aluminum alloy coating on steel wire 钢丝热镀锌铝合金镀层中铝含量的测定
	GB/T 41171-2021 Urine-absorbing aids for incontinence -- Measurement of airborne respirable polyacrylate superabsorbent materials -- Determination of dust in collection cassettes by sodium atomic absorption spectrometry 失禁用尿吸收辅助器具? 空气中可吸入聚丙烯酸高吸水性材料测量钠原子吸收光谱法对采集盒粉尘的测定
	GB/T 40176-2021 Determination of xylobiose in plant-derived products - Hydrophilic intention chromatography 植物源性产品中木二糖的测定亲水保留色谱法
	GB/T 31428-2021 Vocabulary relating to coal chemical technology 煤化工术语
	GB/T 40491-2021 Guide for specialized farmers cooperatives development 农民专业合作社建设指南
	GB/T 41164-2021 Specifications technology for multistage fracturing in horizontal well within roof of broken-soft and low permeability coal seam 碎软低渗煤层顶板水平井分段压裂技术规范
	GB/T 41138-2021 Product quality information system -- Information classification, sharing and exchange 产品质量信息系统信息分类与共享交换
	GB/T 40298-2021 Technical specification for disposal and recycling of slag from hot dip galvanizing of steel 钢材热浸镀锌锌渣回收处置利用技术规范
	GB/T 40196-2021 Method for analysing CCA and ACQ in preservative-treated wood and wood preservatives by X-ray fluorescence spectroscopy X射线荧光能谱仪测定防腐木材和木材防腐剂中CCA和ACQ的方法
	GB/T 15969.9-2021 Programmable controllers—Part 9: Single-drop digital communication interface for small sensors and actuators (SDCI) 可编程序控制器第9部分：用于小型传感器和执行器的单点数字通信接口(SDCI)

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