2012 year China issued GB standards list


	GB 28243-2012 Hydraulic press brakes - Safety requirements 液压板料折弯机安全技术要求
	GB 29436.1-2012 The norm of energy consumption per unit product of methanol - Part 1: Coal to methanol 甲醇单位产品能源消耗限额第1部分：煤制甲醇
	GB 29446-2012 The norm of the power consumption per unit product of coal washing 选煤电力消耗限额
	GB/T 29465-2012 Shell flange-rear head end of floating heat exchangers 浮头式热交换器用外头盖侧法兰
	GB/T 28648-2012 Chemicals - Acute inhalation toxicity testing - Acute toxic class method 化学品急性吸入毒性试验急性毒性分类法
	GB/T 4324.12-2012 Methods for chemical analysis of tungsten - Part 12: Determination of silicon content - Chlorization-molybdenum blue spectrophotometry 钨化学分析方法第12部分：硅量的测定氯化-钼蓝分光光度法
	GB/T 29161-2012 Specifications of on-line analyzer for coal based on neutron activation analysis 中子活化型煤炭在线分析仪
	GB/T 28732-2012 Determination of total sulfur in solid biofuels 固体生物质燃料全硫测定方法
	GB/T 28723-2012 Determination of purity for chemicals (pharmaceuticals) - Differential scanning calorimetry (DSC) 固体有机化学品纯度的测定差示扫描量热法
	GB/T 28703-2012 Test methods for parallel screw threads 圆柱螺纹检测方法
	GB 29221-2012 National Food Safety Standard - Food Additive - Polyoxyethylene (20) Sorbitan Monolaurate (Tween 20) 食品安全国家标准食品添加剂聚氧乙烯（20）山梨醇酐单月桂酸酯（吐温20）
	GB/T 29378-2012 Code of practice for virus free seed potatoes production 马铃薯脱毒种薯生产技术规程
	GB 50012-2012 Code for design of class Ⅲ、Ⅳ railway Ⅲ、Ⅳ级铁路设计规范
	GB/T 29190-2012 Measurement methods of drift rate of scanning probe microscope 扫描探针显微镜漂移速率测量方法
	GB/T 28713.1-2012 Enhanced heat transfer elements used in tube-shell heat exchangers -Part 1：Threaded tubes 管壳式热交换器用强化传热元件第1部分：螺纹管
	GB/T 28508-2012 General technical requirements for broadband customer network based on telecommunication network 基于公用电信网的宽带客户网络总体技术要求
	GB/T 28752-2012 Test method for lateral spread of flame on building and transport products in vertical configuration 火焰在垂直表面的横向蔓延试验方法
	GB/T 3286.3-2012 Methods for chemical analysis of limestone and dolomite - Part 3: The determination of aluminium oxide content - The chrome azurol S spectrophotometric method and the complexometric titration method 石灰石及白云石化学分析方法第3部分：氧化铝含量的测定铬天青S分光光度法和络合滴定法
	GB/T 4324.4-2012 Methods for chemical analysis of tungsten - Part 4: Determination of antimony content - Hydrogenate atomic absorption spectrometry 钨化学分析方法第4部分：锑量的测定氢化物原子吸收光谱法
	GB/T 29460-2012 Safey assessment for electrofusion joint of polyethylene pipes containing defects 含缺陷聚乙烯管道电熔接头安全评定

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