2021 year China issued GB standards list


	GB/T 7731.4-2021 Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric method 钨铁磷含量的测定磷钼蓝分光光度法
	GB/T 15040-2021 Working standard lamps for the measurement of luminous flux 工作测光标准灯泡
	GB/T 41072-2021 Surface chemical analysis -- Electron spectroscopies -- Guidelines for ultraviolet photoelectron spectroscopy analysis 表面化学分析电子能谱紫外光电子能谱分析指南
	GB/T 3915-2021 Styrene for industrial use 工业用苯乙烯
	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 30660.3-2021 Prosthetics and orthotics -- Vocabulary -- Part 3: Pathological gait 假肢和矫形器术语第3部分：病理步态
	GB/T 3074.1-2021 The test method for flexural strength of carbon materials 炭素材料抗折强度测定方法
	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 2567-2021 Test methods for properties of resin casting body 树脂浇铸体性能试验方法
	GB/T 14191.4-2021 Prosthetics and orthotics -- Vocabulary -- Part 4: Terms relating to limb amputation 假肢学和矫形器学? 术语? 第4部分：截肢术语
	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 2408-2021 Plastics—Determination of burning characteristics—Horizontal and vertical test 塑料燃烧性能的测定水平法和垂直法
	GB/T 41077-2021 Thermal insulating products for building applications—Limit value of hexabromocyclododecanes 建筑用绝热制品六溴环十二烷的限值
	GB/T 41151-2021 Sustainable cities and communities -- Descriptive framework for cities and communities 城市和社区可持续发展城市描述性框架
	GB/T 6287-2021 Determination of static adsorbed water for molecular sieve 分子筛静态水吸附测定方法
	GB/T 41150-2021 Sustainable cities and communities -- Guidance on establishing smart city operating models for sustainable communities 城市和社区可持续发展可持续城市建立智慧城市运行模型指南
	GB/T 41149-2021 Specifications for quality requirements and evaluation of fundamental geographic information data 基础地理信息数据质量要求与评定
	GB/T 41203-2021 Method for accelerated aging test of PV module encapsulating material 光伏组件封装材料加速老化试验方法
	GB/T 9491-2021 Flux for tin soldering 锡焊用助焊剂
	GB/T 1425-2021 Determination of melting temperature range for precious metals and their alloys—Testing method of thermal analysis 贵金属及其合金熔化温度范围的测定热分析试验方法

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