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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.

China "ac" GB Standards List:

Standard Code	Standard Title	Standard Class	Order
GB/T 226-1991	Etch test for macrostructure and defect of steels 钢的低倍组织及缺陷酸蚀检验法	China National Standards ac	English PDF
GB 13122-1991	Hygienic specifications of flour milling factory 面粉厂卫生规范	China National Standards ac	English PDF
GB 13116-1991	Hygienic standard for polycarbonate resin used as foodcontainers and packaging materials 食品容器及包装材料用聚碳酸酯树脂卫生标准	China National Standards ac	English PDF
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	China National Standards ac	English PDF
GB 13114-1991	Hygienic standardfor polyethylene terephthalate resin used as food containers and packaging materials 食品容器及包装材料用聚对苯二甲酸乙二醇酯树脂卫生标准	China National Standards ac	English PDF
GB 13113-1991	Hygienic standard for polyethylene terephthalate products used as food containers and packagingmaterials 食品容器及包装材料用聚对苯二甲酸乙二醇酯成型品卫生标准	China National Standards ac	English PDF
GB 12971.5-1991	Trolley and contact wires for electric traction--Part 5:Aluminium alloy trolley and contact wires 电力牵引用接触线第五部分:铝合金接触线	China National Standards ac	English PDF
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	China National Standards ac	English PDF
GB 12950-1991	Safety regulations for seismic exploration blasting practices 地震勘探爆炸安全规程	China National Standards ac	English PDF
GB/T 12921-1991	Marine oil-water interface detector specification 船用油水界面探测器技术条件	China National Standards ac	English PDF
GB/T 12810-1991	Laboratory glassware--Volumetric glassware--Methods for use and testing of capacity 实验室玻璃仪器玻璃量器的容量校准和使用方法	China National Standards ac	English PDF
GB/T 12795-1991	Fixed capacitors for use in electronic equipment--Part 15:Blank detail specification--Tantalum capacitors with non-solid electrolyte and porous anode--Assessment level E 电子设备用固定电容器第15部分:空白详细规范非固体电解质多孔阳极钽电容器评定水平 E (可供认证用)	China National Standards ac	English PDF
GB/T 12794-1991	Fixed capacitors for use in electronic equipment--Part 15:Blank detail specification--Tantalum capacitors with non-solid electrolyte and foil electrode--Assessment level E 电子设备用固定电容器第15部分:空白详细规范非固体电解质箔电极钽电容器评定水平 E (可供认证用)	China National Standards ac	English PDF
GB/T 12793-1991	Generic specification for installing and removal tools for connectors electrical contact 电连接器接触件嵌卸工具总规范	China National Standards ac	English PDF
GB/T 12789.2-1991	Criteria for nuclear reactor instrumentation--Part 2:Pressurized water reactors 核反应堆仪表准则第二部分:压水堆	China National Standards ac	English PDF
GB/T 12789.1-1991	Criteria for nuclear reactor instrumentation--Part 1:General principles 核反应堆仪表准则第一部分:一般原则	China National Standards ac	English PDF
GB/T 12787-1991	Warning equipment for criticality accidents 临界事故报警设备	China National Standards ac	English PDF
GB/T 12775-1991	Generic specification for disc-style ceramic dielectric variable preset capacitors in electronic equipment 电子设备用圆片型瓷介预调可变电容器总规范	China National Standards ac	English PDF
GB/T 12767-1991	Powder metallurgy products--Surface roughness--Parameters and their values 粉末冶金制品表面粗糙度参数及其数值	China National Standards ac	English PDF
GB/T 12800-1991	acoustics--Audible emergency evacuation signal 声学紧急撤离听觉信号	China National Standards ac	English PDF
GB/T 12759-1991	Double-circular-arc tooth profile of basic rack for cylindrical gears 双圆弧圆柱齿轮基本齿廓	China National Standards ac	English PDF
GB/T 12709-1991	Lubricating oils--Determination of aging characteristics--Conradson carbon residue method 润滑油老化特性测定法 (康氏残炭法)	China National Standards ac	English PDF
GB 12711-1991	Standard of safety for low and intermediate-level solid radioactive waste packages 低、中水平放射性固体废物包装安全标准	China National Standards ac	English PDF
GB/T 12688.6-1990	Styrene for industrial use--Determination of trace sulfur--Oxidative micro-coulometric method 工业用苯乙烯中微量硫的测定氧化微库仑法	China National Standards ac	English PDF
GB/T 12646-1990	Numerical control of machines--NC processor input--Basic part program reference language 数字控制机床的数控处理程序输入基本零件源程序参考语言	China National Standards ac	English PDF
GB/T 12574-1990	Jet fuels--Determination of total acid number 喷气燃料总酸值测定法	China National Standards ac	English PDF
GB/T 12563-1990	Requirements of terrestrial interface for domestic satellite communications earth stations 国内卫星通信地球站地面接口要求	China National Standards ac	English PDF
GB/T 12541-1990	Motor vehicles--Passing topography capacity--Test method 汽车地形通过性试验方法	China National Standards ac	English PDF
GB/T 12566-1990	Interface for signal chain of sound and television broadcasting transmitting equipments 声音和电视广播发射设备信号链接口	China National Standards ac	English PDF
GB/T 12509-1990	16， 24 Dot matrix font setand data set of Uighur character for information interchange 信息交换用维吾尔文16、24点阵字母集及数据集	China National Standards ac	English PDF
GB/T 12508-1990	Alphanumeric character sets for optical recognition--Part 2:Character set OCR-B--Shapes and dimensions of the printed image 光学识别用字母数字字符集第二部分:OCR-B 字符集印刷图象的形状和尺寸	China National Standards ac	English PDF
GB 12698-1990	Hygienic specifications of factory for yellow rice wine 黄酒厂卫生规范	China National Standards ac	English PDF
GB 12697-1990	Hygienic specifications of factory for fruit wine 果酒厂卫生规范	China National Standards ac	English PDF
GB 12696-1990	Hygienic specifications of factory for wine 葡萄酒厂卫生规范	China National Standards ac	English PDF
GB 12694-1990	Hygienic specifications of meat packing plant 肉类加工厂卫生规范	China National Standards ac	English PDF
GB/T 12494-1990	White oil for food-machinery 食品机械专用白油	China National Standards ac	English PDF
GB/T 2363-1990	accuracy of fine-pitch involute cylindrical gears 小模数渐开线圆柱齿轮精度	China National Standards ac	English PDF
GB/T 2362-1990	Basic rack tooth profile of fine-pitch involute cylindrical gears 小模数渐开线圆柱齿轮基本齿廓	China National Standards ac	English PDF
GB/T 12449-1990	Interface for using dedicated interconnections between sound and television broadcasting transmitting equipment and supervisory equipment 以专用连接线方式互连的声音和电视广播发射设备与监控设备之间的接口	China National Standards ac	English PDF
GB/T 12415-1990	Pharmaceutical glass containers--Stress examination--Test methods 药用玻璃容器内应力检验方法	China National Standards ac	English PDF
GB/T 12378-1990	Analytical method of microquantity uranium in air by spectropho to fluoremetry after extraction with TBP 空气中微量铀的分析方法 TBP 萃取荧光法	China National Standards ac	English PDF
GB/T 12331-1990	Classified standard of operation with exposure to toxic chemicals in the workplace 有毒作业分级	China National Standards ac	English PDF
GB/T 12166-1990	Electrical characteristics of unbalanced voltage digital interface circuits 非平衡电压数字接口电路的电气特性	China National Standards ac	English PDF
GB 12262-1990	Artificial heart-lung machine--Heat exchanger 人工心肺机热交换器	China National Standards ac	English PDF
GB 12261-1990	Artificial heart-lung machine--Bubble oxygenator 人工心肺机鼓泡式氧合器	China National Standards ac	English PDF
GB 12259-1990	Artificial heart-lung machine 人工心肺机	China National Standards ac	English PDF
GBJ 143-1990	Standard for protective spacing of radio interference from overhead electric lines,substations to television transposer station and retransmitting station 架空电力线路、变电所对电视差转台、转播台无线电干扰防护间距标准	China National Standards ac	English PDF
GB/T 12129-1989	Characteristics and test methods for time-to-amplitude converters 时(间)-幅(度)变换器测试方法	China National Standards ac	English PDF
GB/T 12128-1989	Reference sources for the calibration of surface contamination monitors--Beta-emitters and alpha-emitters 用于校准表面污染监测仪的参考源 β发射体和α发射体	China National Standards ac	English PDF
GB/T 12118-1989	Data processing--Vocabulary--Part 21:lnterfaces between process computer systems and technical processes 数据处理词汇 21部分:过程计算机系统和技术过程间的接口	China National Standards ac	English PDF
GB/T 12057-1989	General purpose 37-position and 9-position interface for data terminal equipment and data circuit-terminating equipment employing serial binary data interchange 使用串行二进制数据交换的数据终端设备和数据电路终接设备之间的通用37插针和9 插针接口	China National Standards ac	English PDF
GB/T 12053-1989	Alphanumeric character sets for optical recognition--Part 1:Character set OCR-A--Shapes and dimensions of the printed image 光学识别用字母数字字符集第一部分:OCR-A 字符集印刷图象的形状和尺寸	China National Standards ac	English PDF
GB/T 12051-1989	24 Dot matrix font set and data set of Mongolian characters for information processing 信息处理用蒙古文24点阵字模集及数据集	China National Standards ac	English PDF
GB 12052-1989	Korean character coded character set for information interchange 信息交换用朝鲜文字编码字符集	China National Standards ac	English PDF
GB 12050-1989	Information processing--Uighur coded graphic character sets for information interchange 信息处理信息交换用维吾尔文编码图形字符集	China National Standards ac	English PDF
GB/T 11987-1989	Surface active agent--Technical alkane sulphonates--Determination of total alkane sulphonates content 表面活性剂工业烷烃磺酸盐总烷烃磺酸盐含量的测定	China National Standards ac	English PDF
GB/T 11986-1989	Surface active agents--Powders and Granules--Measurement of the angle of repose 表面活性剂粉体和颗粒休止角的测量	China National Standards ac	English PDF
GB/T 11985-1989	Surface active agents--Determination of interfacial tension--Drop volume method 表面活性剂界面张力的测定滴体积法	China National Standards ac	English PDF
GB/T 12006.4-1989	Polyamide homopolymers--Determination of matter extractable by boiling methanol 聚酰胺均聚物沸腾甲醇可提取物测定方法	China National Standards ac	English PDF
GB/T 12005.8-1989	Determination of dissolving velocity ofpowder polyacrylamide 粉状聚丙烯酰胺溶解速度测定方法	China National Standards ac	English PDF
GB/T 12005.7-1989	Determination of particle size of powder polyacry-lamide 粉状聚丙烯酰胺粒度测定方法	China National Standards ac	English PDF
GB/T 12005.6-1989	Determination of hydrolysis degree ofpartly hydrolysis polyacrylamide 部分水解聚丙烯酰胺水解度测定方法	China National Standards ac	English PDF
GB/T 12005.2-1989	Determination of solid content of polyacrylamide 聚丙烯酰胺固含量测定方法	China National Standards ac	English PDF
GB/T 12005.1-1989	Determination of limiting viscosity number of polyacrylamide 聚丙烯酰胺特性粘数测定方法	China National Standards ac	English PDF
GB 11928-1989	Regulations for interim storage of low-and intermediate-level radioactive solid wastes 低、中水平放射性固体废物暂时贮存规定	China National Standards ac	English PDF
GB/T 11715-1989	Crude oil tank washing machine 原油洗舱机	China National Standards ac	English PDF
GB/T 11900-1989	Water quality--Determination of trace amounts of arsenic--Spectrophotometric method with silver salt 水质痕量砷的测定硼氢化钾-硝酸银分光光度法	China National Standards ac	English PDF
GB/T 11895-1989	Water quality--Determination of benzo(a)-pyrene--acetylated paper chromatography with fluorescence spectrophotometric method 水质苯并(a)芘的测定乙酰化滤纸层析荧光分光光度法	China National Standards ac	English PDF
GB/T 11848.2-1989	Determination of nitric acid-insolubleuranium in uranium ore concentrate 铀矿石浓缩物中硝酸不溶铀的测定	China National Standards ac	English PDF
GB/T 11701-1989	The general rules for marine accommodation ladders 船用舷梯的基本规定	China National Standards ac	English PDF
GB/T 11936-1989	Standard method for hygienic examination of acrylamide in drinking water sources--Gas chromatography 水源水中丙烯酰胺卫生检验标准方法气相色谱法	China National Standards ac	English PDF
GB/T 11934-1989	Standard method for hygienic examination of acetaldehyde and acrolin in drinking water sources--Gas chromatography 水源水中乙醛、丙烯醛卫生检验标准方法气相色谱法	China National Standards ac	English PDF
GB/T 11738-1989	Standard methodfor hygienic examination of methanol and acetone in air of residential areas--Gas chromatography 居住区大气中甲醇、丙酮卫生检验标准方法气相色谱法	China National Standards ac	English PDF
GB/T 11732-1989	Standard method for hygienic examination of pyridine in air of residential areas--Cyanogen chloride-barbituric acid apectrophotometric method 居住区大气中吡啶卫生检验标准方法氯化氰-巴比妥酸分光光度法	China National Standards ac	English PDF
GB/T 11712-1989	Dose conversion factors for use in protection against X，γ-ray external radiation 用于X、γ线外照射放射防护的剂量转换因子	China National Standards ac	English PDF
GB/T 11631-1989	Technical specifications of manufacture of pressure hull structure for submersibles and underwater equipments 潜水器和水下装置耐压结构制造技术条件	China National Standards ac	English PDF
GB 11680-1989	Hygienic standard of paper used for food packaging 食品包装用原纸卫生标准	China National Standards ac	English PDF
GB 11657-1989	Health protection zone standardfor copper smeltery (closed blast furnace type) 铜冶炼厂(密闭鼓风炉型)卫生防护距离标准	China National Standards ac	English PDF
GB/T 11548-1989	Standard test method for impact resistance of rigid plastic sheeting by means of a tup (falling weight) 硬质塑料板材耐冲击性能试验方法 (落锤法)	China National Standards ac	English PDF
GB 11719-1989	Health standard for solvent gasolines in the air of workplace 车间空气中溶剂汽油卫生标准	China National Standards ac	English PDF
GB 11726-1989	Health standard for dusts of aluminium，aluminium oxide and aluminium alloys in the air of workplace 车间空气中铝、氧化铝、铝合金粉尘卫生标准	China National Standards ac	English PDF
GB 11725-1989	Health standard for dust containing more than 80% free silica in the air of workplace 车间空气中含80%以上游离二氧化硅粉尘卫生标准	China National Standards ac	English PDF
GB 11724-1989	Health standard for dust containing 50%～80% free silica in the air of workplace 车间空气中含50%～80%游离二氧化硅粉尘卫生标准	China National Standards ac	English PDF
GB 11723-1989	Health standard for 1，2-dichloroethane in the air of workplace 车间空气中1，2-二氯乙烷卫生标准	China National Standards ac	English PDF
GB 11722-1989	Health standard for vanadium and its compounds in the air of workplace 车间空气中钒及其化合物卫生标准	China National Standards ac	English PDF
GB 11721-1989	Health standard for ethylene oxide in the air of workplace 车间空气中环氧乙烷卫生标准	China National Standards ac	English PDF
GB 11720-1989	Health standard for trichlorfon in the air ofworkplace 车间空气中敌百虫卫生标准	China National Standards ac	English PDF
GB/T 11453-1989	Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions 模拟实际工作条件下的助听器性能测量方法	China National Standards ac	English PDF
GB 11532-1989	Hygienic standard for raffinate (50～220℃) in the air of workplace 车间空气中抽余油(50～220℃)卫生标准	China National Standards ac	English PDF
GB 11531-1989	Hygienic standard for copper dust and fume in the air of workplace 车间空气中铜尘(烟)卫生标准	China National Standards ac	English PDF
GB 11530-1989	Hygienic standard for tricresyl phosphate in the air of workplace 车间空气中三甲苯磷酸酯卫生标准	China National Standards ac	English PDF
GB 11529-1989	Hygienic standard for cobalt and its oxides in the air of workplace 车间空气中钴及其氧化物卫生标准	China National Standards ac	English PDF
GB 11528-1989	Hygienic standard for grinding wheel dust in the air of workplace 车间空气中砂轮磨尘卫生标准	China National Standards ac	English PDF
GB 11527-1989	Hygienic standard for silicon carbide dust in the air of workplace 车间空气中碳化硅粉尘卫生标准	China National Standards ac	English PDF
GB 11526-1989	Hygienic standard for chlorothalonile in the air of workplace 车间空气中百菌清卫生标准	China National Standards ac	English PDF
GB 11525-1989	Hygienic standard for acrylamide in the airof workplace 车间空气中丙烯酰胺卫生标准	China National Standards ac	English PDF
GB 11524-1989	Hygienic standard for ethylene chlorohydrin in the air of workplace 车间空气中氯乙醇卫生标准	China National Standards ac	English PDF
GB/T 11365-1989	accuracy of bevel and hypoid gears 锥齿轮和准双曲面齿轮精度	China National Standards ac	English PDF
GB/T 11373-1989	The general principle of surface preparation of metallic substrate for thermal spraying 热喷涂金属件表面预处理通则	China National Standards ac	English PDF
GB/T 223.66-1989	Methods for chemical analysis of iron，steel and alloy--The thiocyanate chlorpromazine hydrochloride--chloro form extraction photometric method for the determination of tungsten content 钢铁及合金化学分析方法硫氰酸盐-盐酸氯丙嗪-三氯甲烷萃取光度法测定钨量	China National Standards ac	English PDF

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