1991 year China issued GB standards list


	GB/T 13273-1991 Analytical method for 131I in plant and animal thyroid gland 植物、动物甲状腺中碘-131的分析方法
	GB/T 13267-1991 Water quality--Determination of the acute toxicity of substance to a freshwater fish (Brachydanio rerio Hamilton-Buchanan) 水质物质对淡水鱼(斑马鱼)急性毒性测定方法
	GB 13115-1991 Hygienic standard for unsaturated polyester resin and glass fibre reinforced plastics used asfood containers and packaging materials 食品容器及包装材料用不饱和聚酯树脂及其玻璃钢制品卫生标准
	GB/T 12803-1991 Laboratory glassware--Conical graduates 实验室玻璃仪器量杯
	GB 13122-1991 Hygienic specifications of flour milling factory 面粉厂卫生规范
	GB 12971.4-1991 Trolley and contact wires for electric traction--Part 4:Aluminium-steel and aluminium alloy composite trolley and content wires 电力牵引用接触线第四部分:钢、铝及铝合金复合接触线
	GB/T 13062-1991 Blank detail specification for film integrated circuits and hybrid film integrated circuits on the basis of the qualification approval procedure 膜集成电路和混合膜集成电路空白详细规范(可供认证用)
	GB/T 13153-1991 Blank detail specification for gate turn-off thyristors，ambient or case-rated，5A and above 5A以上环境或管壳额定可关断晶闸管空白详细规范
	GB 12950-1991 Safety regulations for seismic exploration blasting practices 地震勘探爆炸安全规程
	GB/T 12926-1991 Terminology for ship technology--Ship construction quality inspection 船舶工艺术语船舶建造质量检验
	GB/T 12999-1991 Water quality sampling--Technical regulation of the preservation and handling of samples 水质采样样品的保存和管理技术规定
	GB/T 13162-1991 Equipment for monitoring airborne radioactive iodine in the environment 环境中气载放射性碘监测设备
	GB/T 3840-1991 Technical methods for making local emission standards of air pollutants 制定地方大气污染物排放标准的技术方法
	GB/T 13338-1991 Basic rules for the measurement andcalculation of thermal equilibrium of fuel-fired furnace in industry 工业燃料炉热平衡测定与计算基本规则
	GB/T 12984-1991 Ergonomics--Basic terms for visual information processing 人类工效学视觉信息作业基本术语
	GB/T 13061-1991 Air spring for automotive suspension--Rubber bellows 汽车悬架用空气弹簧橡胶气囊
	GB/T 12938-1991 Determination of thiosulphate and other related residual chemicals in processed photographic materials--Iodine-amylose，methylene blue and silver sulphide densito-metric methods 已加工的摄影材料中硫代硫酸盐及其他相关化学残留物的测定方法碘-直链淀粉法、亚甲蓝法和硫化银密度法
	GB/T 12811-1991 Test method for average cell size of rigid cellular plastics 硬质泡沫塑料平均泡孔尺寸试验方法
	GB/T 12998-1991 Water quality--Guidance on sampling techniques 水质采样技术指导
	GB/T 12900-1991 General terminology for ships--Shipbuilding material 船舶通用术语船用材料

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