2021 year China issued GB standards list


	GB/T 40523.3-2021 Ships and marine technology—Measurement of changes in hull and propeller performance—Part 3: Alternative methods 船舶与海上技术船体和螺旋桨性能变化测量第3部分：替代方法
	GB/T 15911-2021 Monitoring and testing method for energy saving of industrial electroheat devices 工业电热设备节能监测方法
	GB/T 14909-2021 Technical guidelines for exergy analysis in energy systems 能量系统？分析技术导则
	GB/T 40918-2021 General technical requirements of polystyrene wood-imitation plastic board for outdoor application 聚苯乙烯户外仿木板材通用技术要求
	GB/T 40935-2021 Silage wrap film 青贮牧草膜
	GB/T 12786-2021 General technical conditions for automatic internal combustion engine power stations 自动化内燃机电站通用技术条件
	GB/T 794-2021 Strenthened cup head square neck bolts 加强半圆头方颈螺栓
	GB/T 40432-2021 Conductive on-board charger for electric vehicles 电动汽车用传导式车载充电机
	GB/T 11066.11-2021 Methods for chemical analysis of gold-Part 11:Determination of magnesium，chromium，manganese，iron，nickel copper，palladium，silver，tin，antimony，lead and bismuth contents-Inductively coupled plasma mass spectrometry 金化学分析方法第11部分：镁、铬、锰、铁、镍、铜、钯、银、锡、锑、铅和铋含量的测定电感耦合等离子体质谱法
	GB/T 9966.17-2021 Test methods for natural stone-Part 17:Determination of resistance to salt crystallization 天然石材试验方法第17部分：盐结晶强度的测定
	GB/T 39750-2021 Technology requirements of DC arc-fault circuit protection for photovoltaic power system 光伏发电系统直流电弧保护技术要求
	GB/T 40963-2021 Frozen peeled shrimp or prawn 冻虾仁
	GB/T 40909-2021 Textiles—Determination of methylcyclosiloxane residues 纺织品甲基环硅氧烷残留量的测定
	GB/T 40853.1-2021 High frequency inductive components—Electrical characteristics and measuring method—Part 1:Nanohenry range chip inductor 高频感性元件电特性及其测量方法第1部分：纳亨级片式电感器
	GB/T 40382-2021 Recycling materials for wrought aluminium alloys 再生变形铝合金原料
	GB/T 39755.2-2021 Electronic records management capability system—Part 2: Assessment criterion 电子文件管理能力体系第2部分：评估规范
	GB/T 5138-2021 Liquid chlorine for industrial use 工业用液氯
	GB/T 39652.4-2021 Emergency response guideline for transportation of dangerous goods—Part 4:List of substance which in contact with water emit toxic gases 危险货物运输应急救援指南第4部分：遇水反应产生毒性气体的物质目录
	GB/T 15039-2021 Standard lamps of luminous intensity and total luminous flux 发光强度、总光通量标准灯泡
	GB/T 40900-2021 Determination of fluorescent brightener 367 and fluorescent brightener 393 in cosmetics—Liquid chromatography-tandem mass spectrometry 化妆品中荧光增白剂367和荧光增白剂393的测定液相色谱-串联质谱法

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