China GB Standards list issued in 1991 year

China "1991" GB Standards List:

Standard Code	Standard Title	Standard Class	Order
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	China National Standards 1991	English PDF
GB/T 13325-1991	Noise emitted by machinery and equipment--Guidelines for the preparation of test codes of engineering grade requiring noise measurements at the operator’s or by stander’s position 机器和设备辐射的噪声操作者位置噪声测量的基本准则 (工程级)	China National Standards 1991	English PDF
GB/T 13322-1991	Metallic coating--Cd-Ti plating of low hydrogan embrittlement 金属覆盖层低氢脆镉钛电镀层	China National Standards 1991	English PDF
GB/T 13303-1991	Steels--Determination method of oxidation resistance 钢的抗氧化性能测定方法	China National Standards 1991	English PDF
GB/T 13302-1991	Steel--Determination of area content of graphite-micrographic method using diagrams 钢中石墨碳显微评定方法	China National Standards 1991	English PDF
GB/T 13301-1991	Metals--Testing method for sensitivity of electrical resistance strain 金属材料电阻应变灵敏系数试验方法	China National Standards 1991	English PDF
GB/T 13300-1991	High resistance alloys for electrical heating--Testing method for accelerated life 高电阻电热合金快速寿命试验方法	China National Standards 1991	English PDF
GB/T 13299-1991	Steel--Determination of microstructure 钢的显微组织评定方法	China National Standards 1991	English PDF
GB/T 13298-1991	Metal--Inspection method of microstructure 金属显微组织检验方法	China National Standards 1991	English PDF
GB/T 13297-1991	General rules for packaging, marking and certification of precision alloys 精密合金包装、标志和质量证明书的一般规定	China National Standards 1991	English PDF
GB/T 269-1991	Lubricating grease and petrolatum--Determination of cone penetration 润滑脂和石油脂锥入度测定法	China National Standards 1991	English PDF
GB/T 13287-1991	Liquefied petroleum gases--Determination of volatility 液化石油气挥发性测定方法	China National Standards 1991	English PDF
GB/T 5468-1991	Measurement method of smoke and dust emission from boilers 锅炉烟尘测试方法	China National Standards 1991	English PDF
GB/T 13270-1991	Atmospheric air--Test dust standardsample--Simulated atmospheric dust 大气试验粉尘标准样品模拟大气尘	China National Standards 1991	English PDF
GB/T 13269-1991	Atmospheric air--Test dust standard sample--Fly ash 大气试验粉尘标准样品煤飞尘	China National Standards 1991	English PDF
GB/T 13268-1991	Atmospheric air--Test dust standard sample--Loess dust 大气试验粉尘标准样品黄土尘	China National Standards 1991	English PDF
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	China National Standards 1991	English PDF
GB/T 13272-1991	Analytical method for 131I in water 水中碘-131的分析方法	China National Standards 1991	English PDF
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	China National Standards 1991	English PDF
GB/T 13266-1991	Water quality--Determination of the acute toxicity of substance to Daphnia (Daphnia magna straus) 水质物质对蚤类(大型蚤)急性毒性测定方法	China National Standards 1991	English PDF
GB/T 13247-1991	Ferroalloys--Sampling and testing methods for determination of grain size 铁合金产品粒度的取样和检测方法	China National Standards 1991	English PDF
GB/T 13242-1991	Iron ores--Low-temperature disintegration test--Method using cold tumbling after static reduction 铁矿石低温粉化试验静态还原后使用冷转鼓的方法	China National Standards 1991	English PDF
GB/T 13241-1991	Iron ores--Determination of reducibility 铁矿石还原性的测定方法	China National Standards 1991	English PDF
GB/T 13240-1991	Iron ore pellets--Determination of relative free swelling index 铁矿球团相对自由膨胀指数的测定方法	China National Standards 1991	English PDF
GB/T 13238-1991	Copper-steel clad plates 铜钢复合钢板	China National Standards 1991	English PDF
GB/T 13235.2-1991	Petroleum and liquid petroleum products--Volumetric calibration of vertical cylindrical metal tanks--Optical reference line method 石油和液体石油产品立式圆筒形金属油罐容积标定法 (光学参比线法)	China National Standards 1991	English PDF
GB/T 13235.1-1991	Petroleum and liquid petroleum products--Volumetric calibration of vertical cylindrical metal tanks--Strapping method 石油和液体石油产品立式圆筒形金属油罐容积标定法 (围尺法)	China National Standards 1991	English PDF
GB/T 13231-1991	Calculated methods of carrying capacity for receiving and dispatching tracks at railway marshalling station(3-stage/3-yard) 铁路编组站到发线通过能力计算方法 (三级三场)	China National Standards 1991	English PDF
GB/T 13230-1991	Plain detonators 工业火雷管	China National Standards 1991	English PDF
GB/T 13227-1991	Water-dipping test of industrial detonator 工业雷管浸水试验方法	China National Standards 1991	English PDF
GB/T 13226-1991	Lead plate test for industrial detonator 工业雷管铅板试验方法	China National Standards 1991	English PDF
GB/T 13225-1991	Determination of delay time of industrial detonator 工业雷管延期时间测定方法	China National Standards 1991	English PDF
GB/T 13224-1991	Test methods for industrial detonating cord 工业导爆索试验方法	China National Standards 1991	English PDF
GB/T 13220-1991	Determination of particle size distribution of fine powder--Method of sieve classfication with sonic wave 细粉末粒度分布的测定声波筛分法	China National Standards 1991	English PDF
GB/T 13186-1991	General specification for airborne doppler navigation systems 机载多普勒导航系统通用技术条件	China National Standards 1991	English PDF
GB/T 12993-1991	Thermal performances evaluation for electronic equipment 电子设备热性能评定	China National Standards 1991	English PDF
GB/T 13158-1991	Compatibility test procedures of clock and synchronization equipment of digital switch introducedinto digital network 数字交换机的时钟和同步设备进入数字网的兼容性测试方法	China National Standards 1991	English PDF
GB/T 13157-1991	Overall electro-acoustic frequency response for reproduction of 35mm optical sound track--Reproduction characteristics 35 mm影片光学声迹的还音电声频率响应特性	China National Standards 1991	English PDF
GB/T 13212-1991	Canned water chestnuts 清水荸荠罐头	China National Standards 1991	English PDF
GB/T 223.16-1991	Methods for chemical analysis of iron，steel and alloy--The chromotropic acid photometric method for the determination of titanium content 钢铁及合金化学分析方法变色酸光度法测定钛量	China National Standards 1991	English PDF
GB/T 223.12-1991	Methodsfor chemical analysis of iron，steel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content 钢铁及合金化学分析方法碳酸钠分离-二苯碳酰二肼光度法测定铬量	China National Standards 1991	English PDF
GB/T 13169-1991	General specification for 4MHz (960ch) carrier systems on standardized 1.2/4.4 mm coaxial cable pairs 标准1.2/4.4 mm同轴线对上4 MHz (960路)载波通信系统总技术要求	China National Standards 1991	English PDF
GB/T 13168-1991	General specification for 8MHz (1800ch) carrier systems on standardized 2.6/9.5mm coaxialcable pairs 标准2.6/9.5 mm 同轴线对上8 MHz (1800路) 载波通信系统总技术要求	China National Standards 1991	English PDF
GB/T 13167-1991	Requirements for long haul optical fiber cable systems joined to national public telecommunication network 长途光缆通信系统进网要求	China National Standards 1991	English PDF
GB/T 13166-1991	Design margin and abuse tests for electronic measuring instruments 电子测量仪器设计余量与模拟误用试验	China National Standards 1991	English PDF
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	China National Standards 1991	English PDF
GB/T 13160-1991	Program for testing radiation shields in light water reactors (LWR) 轻水堆核电厂辐射屏蔽检测大纲	China National Standards 1991	English PDF
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	China National Standards 1991	English PDF
GB/T 13200-1991	Water quality--Determination of turbidity 水质浊度的测定	China National Standards 1991	English PDF
GB/T 13199-1991	Water quality--Determination of anionic detergent--Potentiometric method 水质阴离子洗涤剂的测定电位滴定法	China National Standards 1991	English PDF
GB/T 13198-1991	Water quality--Determination of specified six polynuclear aromatic hydrocarbons--High performance liquid chromatography 水质六种特定多环芳烃的测定高效液相色谱法	China National Standards 1991	English PDF
GB/T 13197-1991	Water quality--Determination of formaldehyde--Acetylacetone spectrophotometric method 水质甲醛的测定乙酰丙酮分光光度法	China National Standards 1991	English PDF
GB/T 13195-1991	Water quality--Determination of water temperature--Thermometer or reversing thermometer method 水质水温的测定温度计或颠倒温度计测定法	China National Standards 1991	English PDF
GB/T 13194-1991	Water quality--Determination of nitrobenzene， mononi-trotoluene (MNT)， nitrochlorobenzene and oinitrotoluene (ONT)--Gas chromatography 水质硝基苯、硝基甲苯、硝基氯苯、二硝基甲苯的测定气相色谱法	China National Standards 1991	English PDF
GB/T 13193-1991	Water quality--Determination of TOC by nondispersive infrared absorption method 水质总有机碳(TOC) 的测定非色散红外线吸收法	China National Standards 1991	English PDF
GB/T 13192-1991	Water quality--Determination of organic phosphorous pesticide in water--Gas chromatography 水质有机磷农药的测定气相色谱法	China National Standards 1991	English PDF
GB/T 3304-1991	Names of nationalities of China in romanization with codes 中国各民族名称的罗马字母拼写法和代码	China National Standards 1991	English PDF
GB/T 13142-1991	Extension of the Latin alphabet coded character set for bibliographic information interchange 书目信息交换用拉丁字母代码字符扩充集	China National Standards 1991	English PDF
GB/T 13141-1991	Greek alphabet coded character set for bibliographic information interchange 书目信息交换用希腊字母编码字符集	China National Standards 1991	English PDF
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	China National Standards 1991	English PDF
GB/T 13152-1991	Blank detail specification for reverse conducting triode thyristors，ambient or case-rated，5A/5A and above 5A/5A 以上环境或管壳额定逆导三极晶闸管空白详细规范	China National Standards 1991	English PDF
GB/T 12989-1991	Paints and varnishes--List of equivalent terms 色漆和清漆术语词条对照表	China National Standards 1991	English PDF
GB/T 7727.5-1991	General terminology for ships--Ship environment 船舶通用术语船舶环境	China National Standards 1991	English PDF
GB/T 13146-1991	Terminology for air cushion vehicle 气垫船术语	China National Standards 1991	English PDF
GB/T 12990-1991	Water quality--Microbial community biomonitoring--PFU method 水质微型生物群落监测 PFU法	China National Standards 1991	English PDF
GB/T 12992-1991	Measuring methods of thermal characteristic for forced air cooling of electronic equipment 电子设备强迫风冷热特性测试方法	China National Standards 1991	English PDF
GB/T 13137-1991	Specification for 12-channel telephone carrier terminal equipment used on the symmetric pains of 2.6/9.5 mm coaxial cable 2.6/9.5 mm综合中同轴电缆高频四芯组或高频线对12路载波电话终端设备技术条件	China National Standards 1991	English PDF
GB/T 13135-1991	15×16 Dot matrix font set and data set of Yi characters for information interchange 信息交换用彝文字符15×16点阵字模集及数据集	China National Standards 1991	English PDF
GB/T 13130-1991	Specification for interworking of chinese ideogram teletex on public telecommunication networks--Transport service 汉字智能用户电报在公用电信网上的互通技术条件运输服务	China National Standards 1991	English PDF
GB/T 13129-1991	Specification for interworking of chinese ideogram teletex on public telecommunication networks--Control procedures 汉字智能用户电报在公用电信网上的互通技术条件控制规程	China National Standards 1991	English PDF
GB/T 13127-1991	Specification for interworking of chinese ideogram teletex on public telecommunication networks--The terminal equipment 汉字智能用户电报在公用电信网上的互通技术条件终端设备	China National Standards 1991	English PDF
GB 13134-1991	Yi coded character set for information interchange 信息交换用彝文编码字符集	China National Standards 1991	English PDF
GB 13132-1991	Code of Chinese ideogram set for information interchange--The 5th supplementary set 信息交换用汉字编码字符集第五辅助集	China National Standards 1991	English PDF
GB 13131-1991	Code of Chinese ideogram set for information interchange--The 3rd supplementary set 信息交换用汉字编码字符集第三辅助集	China National Standards 1991	English PDF
GB/T 13089-1991	Method for determination of oxazolidinethione in feeds 饲料中NFDAE唑烷硫酮的测定方法	China National Standards 1991	English PDF
GB/T 13087-1991	Method for determination of isothiocyanatesin feeds 饲料中异硫氰酸酯的测定方法	China National Standards 1991	English PDF
GB/T 13086-1991	Method for determination of free gossypol in feeds 饲料中游离棉酚的测定方法	China National Standards 1991	English PDF
GB/T 13082-1991	Method for determination of cadmium in feeds 饲料中镉的测定方法	China National Standards 1991	English PDF
GB/T 13070-1991	Determination of uranium content in uranium ores by method of potentiometric titration 铀矿石中铀的测定电位滴定法	China National Standards 1991	English PDF
GB/T 13031-1991	Marine a.c. electrical power systems with voltages in the range above 1kV upto and including 11kV 电压为 1 kV以上至11 kV的船舶交流电力系统	China National Standards 1991	English PDF
GB/T 13061-1991	Air spring for automotive suspension--Rubber bellows 汽车悬架用空气弹簧橡胶气囊	China National Standards 1991	English PDF
GB/T 1332-1991	Trucks--Engineering approval evaluation program 载货汽车定型试验规程	China National Standards 1991	English PDF
GB/T 13065-1991	Blank detail specification of gas discharge tubes for overvoltage protection 过电压保护气体放电管空白详细规范 (可供认证用)	China National Standards 1991	English PDF
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)	China National Standards 1991	English PDF
GB/T 13021-1991	Determination for the carbon black content of polyethylene pipes and fittings by calcination and pyrolysis 聚乙烯管材和管件炭黑含量的测定热失重法	China National Standards 1991	English PDF
GB 13015-1991	Control standard on poly chlorinated biphenyls for waste slags 含多氯联苯废物污染控制标准	China National Standards 1991	English PDF
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 1991	English PDF
GB/T 12985-1991	General rules of using percentiles of the body dimensions for products design 在产品设计中应用人体尺寸百分位数的通则	China National Standards 1991	English PDF
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	China National Standards 1991	English PDF
GB 13122-1991	Hygienic specifications of flour milling factory 面粉厂卫生规范	China National Standards 1991	English PDF
GB 13121-1991	Hygienic standard of ceramics for food containers 陶瓷食具容器卫生标准	China National Standards 1991	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 1991	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 1991	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 1991	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 1991	English PDF
GB/T 12980-1991	General technical requirement and testing method for marine power plant 船舶电站通用技术要求和试验方法	China National Standards 1991	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 1991	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 1991	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 1991	English PDF
GB/T 12968-1991	Eddy current decay method formeasurement of resistivity and residual resistance ratio of pure metals 纯金属电阻率与剩余电阻比涡流衰减测量方法	China National Standards 1991	English PDF

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