2012 year China issued GB standards list


	GB/T 28372-2012 Ferroalloys - Sampling and preparation of samples-General rules 铁合金取样和制样总则
	GB/T 307.4-2012 Rolling bearings - Tolerances - Part 4: Tolerances for thrust bearings 滚动轴承公差第4部分：推力轴承公差
	GB/T 20456-2012 Forestry machinery - Portable chain-saws - Non-manually actuated chain brake performance 林业机械便携式油锯被动式锯链制动器性能要求及测试方法
	GB/T 28876.1-2012 Flammability of materials in space experimental facilities - Part 1: Requirements 空间实验设备使用材料的可燃性第1部分：要求
	GB 19212.7-2012 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 7: Particular requirements and test for safety isolating transformers and power supply units incorporating saftey isolating transformers 电源电压为1 100V及以下的变压器、电抗器、电源装置和类似产品的安全第7部分：安全隔离变压器和内装安全隔离变压器的电源装置的特殊要求和试验
	GB/T 28603-2012 Production technical regulation for Anhydrous hydrogen fluoride 无水氟化氢生产技术规范
	GB/T 29406.2-2012 Safety code for wood preservation plant - Part 2: Operation 木材防腐工厂安全规范第2部分：操作
	GB/T 28538-2012 Ophthalmic optics?Contact lenses and contact lenses care products - Determination of biocompatibility by ocular study with rabbit eyes 眼科光学接触镜和接触镜护理产品兔眼相容性研究试验
	GB/T 28765-2012 Packaging material - Test methods for organic vapor transmission rate for plastic film, sheet and package 包装材料塑料薄膜、片材和容器的有机气体透过率试验方法
	GB/T 11374-2012 Thermal spraying coating - Nondestructive methods for measurement of thickness 热喷涂涂层厚度的无损测量方法
	GB 28404-2012 National Food Safety Standard - Determination of α - Linolenic Acid, Eicosapentaenoic Acid, Docosapentaenoic Acid and Docosahexaenoic Acid in the Health Food 食品安全国家标准保健食品中α-亚麻酸、二十碳五烯酸、二十二碳五烯酸和二十二碳六烯酸的测定
	GB/T 28725-2012 Cathodic protection for buried prestressed concrete cylinder pipelines 埋地预应力钢筒混凝土管道的阴极保护
	GB/T 13361-2012 Technical drawings - General terms 技术制图通用术语
	GB/T 28472.2-2012 Distributor for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance 工业过程测量和控制系统用配电器第2部分：性能评定方法
	GB 21976.3-2012 Escape apparatus for building fire - Part 3: Escape ladder 建筑火灾逃生避难器材第3部分：逃生梯
	GB/T 29338-2012 Production technical regulation for phosphoric acid(wet-process) 磷酸（湿法）生产技术规范
	GB/T 28909-2012 Extra-high strength structural steel plates in the heat-treatment condition 超高强度结构用热处理钢板
	GB/T 29111-2012 Road traffic information service - Traffic information distributed via cell network 道路交通信息服务通过蜂窝网络发布的交通信息
	GB/T 29180.2-2012 The investigative methods and procedures for electrical fire - Part 2：Methods for dissolution and separation of physical evidence 电气火灾勘验方法和程序第2部分：物证的溶解分离提取方法
	GB/T 12273.501-2012 Quartz crystal units A specification in the quality assessment system for electronic components Part 5.1: Blank detail specification- qualification approval 石英晶体元件电子元器件质量评定体系规范第5.1部分：空白详细规范鉴定批准

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