2021 year China issued GB standards list


	GB/T 3836.8-2021 Explosive atmospheres—Part 8: Equipment protection by type of protection “n” 爆炸性环境第8部分：由“n”型保护的设备
	GB/T 41175-2021 Assistive products for persons with vision impairments and persons with vision and hearing impairments -- Acoustic and tactile signals for pedestrian traffic lights 视力障碍者和视听障碍者用辅助器具? 行人交通信号灯的声音和触觉信号
	GB/T 40434-2021 Rectification equipment for charging industrial batteries 工业电池充电整流设备
	GB/T 40442-2021 Paper, board and pulps—Determination of weight factor in fibre furnish analysis 纸、纸板和纸浆纤维组成分析中质量因子的测定
	GB/T 10781.9-2021 Quality requirements for baijiu—Part 9:Zhimaxiangxing baijiu 白酒质量要求第9部分：芝麻香型白酒
	GB/T 18916.10-2021 Norm of water intake—Part 10：Chemical pharmaceutical products 取水定额第10部分：化学制药产品
	GB/T 25285.2-2021 Explosive atmospheres—Explosion prevention and protection—Part 2:Basic concepts and methodology for mining 爆炸性环境　爆炸预防和防护第2部分：矿山爆炸预防和防护的基本原则和方法
	GB/T 7187.1-2021 Fuel oil consumption for transportation ships—Part 1: Calculation method for marine ships 运输船舶燃油消耗量第1部分：海洋船舶计算方法
	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 23251-2021 Guideline for coal used in coal chemical technology 煤化工用煤技术导则
	GB/T 41179-2021 Prosthetics and orthotics—Foot orthoses—Uses,functions,classification and description 假肢和矫形器足矫形器用途、功能、分类和描述
	GB/T 3836.31-2021 Explosive atmospheres—Part 31:Equipment dust ignition protection by enclosure “t” 爆炸性环境第31部分: 由防粉尘点燃外壳“t”保护的设备
	GB/T 10715-2021 Belt drives—V-ribbed belts, joined V-belts and V-belts including wide section belts and hexagonal belts—Electrical conductivity of antistatic belts: Characteristics and methods of test 带传动多楔带、联组V带及包括宽V带、六角带在内的单根V带抗静电带的导电性:要求和试验方法
	GB/T 14914.3-2021 The specification for marine observation -- Part 3: Surface and subsurface buoy-based observation 海洋观测规范第 3 部分：浮标潜标观测
	GB/T 41170.2-2021 Skin barrier for ostomy aids -- Test methods -- Part 2: Wet integrity and adhesive strength 造口辅助器具的皮肤保护用品试验方法第2部分：耐湿完整性和黏合强度
	GB/T 9239.12-2021 Mechanical vibration—Rotor balancing—Part 12: Procedures and tolerances for rotors with flexible behaviour 机械振动转子平衡第12部分：具有挠性特性的转子的平衡方法与允差
	GB/T 41211-2021 General specifications for moon and planetary in-situ spectral detection instrument 月球与行星原位光谱探测仪器通用规范
	GB/T 40641-2021 Determination of polyprenol from pine needles—High performance liquid chromatography 松针聚戊烯醇含量的测定高效液相色谱法
	GB/T 5169.9-2021 Fire hazard testing for electric and electronic products—Part 9:Guidance for assessing the fire hazard—Preselection testing procedures—General guidelines 电工电子产品着火危险试验第9部分：着火危险评定导则预选试验程序总则
	GB/T 40451-2021 Terms for grassland and forage 草原与牧草术语

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