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'2020'
China GB Standards List

 GB/T 51421-2020  
Technical standard of communication pole line engineering for aerial optical ( copper ) cable
架空光(电)缆通信杆路工程技术标准
 GB/T 51419-2020  
Standard for design of wireless local area network engineering
无线局域网工程设计标准
 GB 51418-2020  
Standard for design of general radar station
通用雷达站设计标准
 GB/T 51410-2020  
Technical standard for application of firestop in buildings
建筑防火封堵应用技术标准
 GB 51283-2020  
Fire protection standard for engineering design of fine chemical enterprise
精细化工企业工程设计防火标准
 GB/T 50165-2020  
Technical standard for maintenance and strength ening of ancient timber buildings
古建筑木结构维护与加固技术标准
 GB 50583-2020  
Standard for design of building and structures for the coal industry
煤炭工业建筑结构设计标准
 GB/T 51409-2020  
Technical standard for integrated supervision and control system engineering of data center
数据中心综合监控系统工程技术标准
 GB 50127-2020  
Technical standard for aerial ropeway engineering
架空索道工程技术标准
 GB/T 51417-2020  
Technical standard for joint construction and sharing of telecommunication steel tower
电信钢塔架共建共享技术标准
 GB 50325-2020  
Standard for indoor environmental pollution control of civil building engineering
民用建筑工程室内环境污染控制标准
 GB 51388-2020  
Standard for process design of nickel plants
镍冶炼厂工艺设计标准
 GB 51411-2020  
Standard for design of metal mine land reclamation engineering
金属矿山土地复垦工程设计标准
 GB 51412-2020  
Standard for design of tin smelter processes
锡冶炼厂工艺设计标准
 GB/T 51413-2020  
Standard for design of waste heat utilization in non-ferrous metal industry
有色金属工业余热利用设计标准
 GB 51414-2020  
Standard for water saving design in non-ferrous metals enterprises
有色金属企业节水设计标准
 GB/T 51420-2020  
Code for Commissioning and Acceptance of Smart substation
智能变电站工程调试及验收标准
 GB 51415-2020  
Technical standard for waste gas control of non-ferrous smelting
有色金属冶炼废气治理技术标准
 GB 50041-2020  
Standard for design of boiler plant
锅炉房设计标准
 GB 15193.28-2020  
National food safety standard - Test of Mammalian cell micronucleus in vitro
食品安全国家标准 体外哺乳类细胞微核试验
 GB 1903.50-2020  
National food safety standard - Food nutrition enhancer - Cholecalciferol(Vitamin D3)
食品安全国家标准 食品营养强化剂 胆钙化醇（维生素D3）
 GB 1903.51-2020  
National food safety standard - Food nutrition enhancer - Sodium iodide
食品安全国家标准 食品营养强化剂 碘化钠
 GB 4789.29-2020  
National food safety standard - Microbiological examination of food hygiene - Examination of Burkholderia gladioli (Pseudomonas cocovenenans subsp.farino)
食品安全国家标准 食品微生物学检验 唐菖蒲伯克霍尔德氏菌（椰毒假单胞菌酵米面亚种）检验
 GB 5009.267-2020  
National food safety standard - Determination of iodine in foods
食品安全国家标准 食品中碘的测定
 GB 5009.281-2020  
National food safety standard - Determination of cinnamaldehyde residues in foods
食品安全国家标准 食品中肉桂醛残留量的测定
 GB 31604.50-2020  
National food safety standard - Food contact materials and articles - Determination of nonylphenol migration
食品安全国家标准 食品接触材料及制品 壬基酚迁移量的测定
 GB 4789.44-2020  
National food safety standard - Microbiological examination of food hygiene - Examination of Vibrio vulnificus
食品安全国家标准 食品微生物学检验 创伤弧菌检验
 GB 15193.29-2020  
National food safety standard - Test of extended one-generation reproductive toxicity
食品安全国家标准 扩展一代生殖毒性试验
 GB 31605-2020  
National food safety standard - Hygienic specification for food cold chain logistics
食品安全国家标准 食品冷链物流卫生规范
 GB 1903.49-2020  
National food safety standard - Food nutrition enhancer - Zinc citrate
食品安全国家标准 食品营养强化剂 柠檬酸锌
 GB 5009.282-2020  
National food safety standard - Determination of 1-methylimidazole, 2-methylimidazole and 4-methylimidazole in foods
食品安全国家标准 食品中1-甲基咪唑、2-甲基咪唑及4-甲基咪唑的测定
 GB 1886.312-2020  
National food safety standard - Food additive - Chitin
食品安全国家标准 食品添加剂 甲壳素
 GB 7657-2020  
National food safety standard - Food additive - Glucono delta-lactone
食品安全国家标准 食品添加剂 葡萄糖酸-δ-内酯
 GB 1886.4-2020  
National food safety standard - Food additive - Sodium hexametaphosphate
食品安全国家标准 食品添加剂 六偏磷酸钠
 GB 1886.304-2020  
National food safety standard - Food additive - Phosphoric acid (wet process)
食品安全国家标准 食品添加剂 磷酸（湿法）
 GB 1886.305-2020  
National food safety standard - Food additive - D-xylose
食品安全国家标准 食品添加剂 D-木糖
 GB 1886.306-2020  
National food safety standard - Food additive - Monosodium L-glutamate
食品安全国家标准 食品添加剂 谷氨酸钠
 GB 1886.307-2020  
National food safety standard - Food additive - Potassium copper chlorophyllin
食品安全国家标准 食品添加剂 叶绿素铜钾盐
 GB 1886.308-2020  
National food safety standard - Food additive - Calcium alginate
食品安全国家标准 食品添加剂 海藻酸钙（又名褐藻酸钙）
 GB 1886.309-2020  
National food safety standard - Food additive - Phycocyanin
食品安全国家标准 食品添加剂 藻蓝
 GB 22216-2020  
National food safety standard - Food additive - Hydrogen peroxide
食品安全国家标准 食品添加剂 过氧化氢
 GB 1886.311-2020  
National food safety standard - Food additive - Black currant red
食品安全国家标准 食品添加剂 黑加仑红
 GB 1886.314-2020  
National food safety standard - Food additive - Edetate calcium disodium
食品安全国家标准 食品添加剂 乙二胺四乙酸二钠钙
 GB 1886.313-2020  
National food safety standard - Food additive - Diphenyl oxide
食品安全国家标准 食品添加剂 联苯醚（又名二苯醚）
 GB 1903.42-2020  
National food safety standard - Food nutrition enhancer - Inositol
食品安全国家标准 食品营养强化剂 肌醇（环己六醇）
 GB 5009.280-2020  
National food safety standard - Determination of 4-hexylresorcinol residues in foods
食品安全国家标准 食品中4-己基间苯二酚残留量的测定
 GB 1903.44-2020  
National food safety standard - Food nutrition enhancer - Hydroxocobalamin
食品安全国家标准 食品营养强化剂 羟钴胺
 GB 1903.45-2020  
National food safety standard - Food nutrition enhancer - Nicotinamide
食品安全国家标准 食品营养强化剂 烟酰胺
 GB 1903.46-2020  
National food safety standard - Food nutrition enhancer - Ferrous fumarate
食品安全国家标准 食品营养强化剂 富马酸亚铁
 GB 1903.47-2020  
National food safety standard - Food nutrition enhancer - Ferrous lactate
食品安全国家标准 食品营养强化剂 乳酸亚铁

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