China EM GB Standards English PDF List

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China "EM" GB Standards English PDF List:

Standard Code	Standard Title	Standard Class	Order
GB/T 223.52-1987	Methods for chEMical analysis of iron，steel and alloy--The hydroxylamine hydrochloride-iodometric method for the determination of selenium content 钢铁及合金化学分析方法盐酸羟胺-碘量法测定硒量	China National Standards EM	English PDF
GB/T 223.51-1987	Methods for chEMical analysis of iron，steel and alloy--The 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol photometric method for the determination of zinc content 钢铁及合金化学分析方法 5-Br-PADAP 光度法测定锌量	China National Standards EM	English PDF
GB/T 7626-1987	4800 bits per second modEM with manual equalizer standardized for use on leased telephone-type circuits 在租用电话型电路上使用的带人工均衡器的标准化的4800比特/秒调制解调器	China National Standards EM	English PDF
GB/T 7625-1987	2400/1200 bits per second modEM standardized for use in the general switched telephone network 在电话自动交换网上使用的标准化 2400/1200比特/秒调制解调器	China National Standards EM	English PDF
GB/T 7624-1987	2400 bits persecond modEM standardized for use on 4-wire leased telephone type circuits 在四线租用电话型电路上使用的标准化2400比特/秒调制解调器	China National Standards EM	English PDF
GB/T 7622-1987	600/1200 bauds modEM standardized for use in the general switched telephone network 在电话自动交换网上使用的标准化600/1200波特调制解调器	China National Standards EM	English PDF
GB/T 7621-1987	1200 bits per second duplex modEM standardized for use in the general switched telephone network and on point-to-point 2-wire leased telephonecircuits 在电话自动交换网和点对点二线租用电话型电路上使用的标准化的1200比特/秒双工调制解调器	China National Standards EM	English PDF
GB/T 7620-1987	300 bits per second duplex modEM standardized for use in the general switched telephone network 在电话自动交换网上使用的标准化300比特/秒全双工调制解调器	China National Standards EM	English PDF
GB/T 7615-1987	CATV SystEM--Antenna part 共用天线电视系统天线部分	China National Standards EM	English PDF
GB/T 7590-1987	Code of Chinese ideograms set forinformation interchange--The 4th supplEMentary set 信息交换用汉字编码字符集第四辅助集	China National Standards EM	English PDF
GB/T 7589-1987	Code of Chinese ideograms set forinformation interchange--The 2nd supplEMentary set 信息交换用汉字编码字符集第二辅助集	China National Standards EM	English PDF
GB/T 7585-1987	Capacity series and radio-frequency channel arrangEMent for analog microwave relay systems 模拟微波接力通信系统容量系列及波道配置	China National Standards EM	English PDF
GB/T 7581-1987	Dimensions of outlines for sEMiconductor discrete devices 半导体分立器件外形尺寸	China National Standards EM	English PDF
GB/T 7509-1987	Blank detail specification for microprocessor sEMiconductor integrated circuits 半导体集成电路微处理器空白详细规范 (可供认证用)	China National Standards EM	English PDF
GB/T 7423.3-1987	Heat sink of sEMiconductor devices--Heat sink， staggered fingers shapes 半导体器件散热器叉指形散热器	China National Standards EM	English PDF
GB/T 7423.2-1987	Heat sink of sEMiconductor devices--Heat sink，extruded shapes 半导体器件散热器型材散热器	China National Standards EM	English PDF
GB/T 7423.1-1987	Heat sink of sEMiconductor devices--Generic specification 半导体器件散热器通用技术条件	China National Standards EM	English PDF
GB/T 7419-1987	Information processing--ImplEMentation of the 7-bit coded character set and its 7-bit and 8-bit extensions on 3.81mm magnetic tape cassette for data interchange 信息处理数据交换用七位编码字符集及其七位与八位扩充在3.81mm盒式磁带上的实现方法	China National Standards EM	English PDF
GB/T 7402-1987	Time and frequncy dissEMination via television signals 利用电视信号传送标准时间频率	China National Standards EM	English PDF
GB/T 7399-1987	Helical-scan video tape cassette systEM using 12.65 mm magnetic tape on type VHS VHS 型12.65 mm螺旋扫描盒式磁带录像系统	China National Standards EM	English PDF
GB/T 7395-1987	Test methods of 600～9600 bit/s baseband modEM 600～9600 bit/s基带调制解调器的测量方法	China National Standards EM	English PDF
GB/T 7394-1987	RequirEMents of 600～9600 bit/s baseband modem 600～9600 bit/s基带调制解调器技术要求	China National Standards EM	English PDF
GB/T 7393-1987	Basic size of outlet of cable distribution systEMs intended for sound and television signals 声音和电视信号的电缆分配系统输出口基本尺寸	China National Standards EM	English PDF
GB/T 7361-1987	Brake and electrical connection locations of sEMi-trailer towing vehicle 半挂牵引车的制动及电路连接位置	China National Standards EM	English PDF
GB/T 7488-1987	Water quality--Determination of biochEMical oxygen demand after 5 days(BOD5)--Dilution and seeding method 水质五日生化需氧量(BOD5)的测定稀释与接种法	China National Standards EM	English PDF
GB/T 7343-1987	Methods of measurEMent of the suppresion characteristics of passive radio interference filters and suppression components over the frequency range of 10kHz to 30MHz 10 kHz～30 MHz无源无线电干扰滤波器和抑制元件抑制特性的测量方法	China National Standards EM	English PDF
GB/T 7313-1987	Minimum performance requirEMents and methods of measurement for high fidelity loudspeaker systems 高保真扬声器系统最低性能要求及测量方法	China National Standards EM	English PDF
GB/T 2019-1987	Fundamental parameters and technical requirEMents for audio tape recorders 磁带录音机基本参数和技术要求	China National Standards EM	English PDF
GB/T 7259-1987	Guidelines for presenting performance of analog process measurEMent and control instrument 模拟式过程测量和控制仪表性能表示方法导则	China National Standards EM	English PDF
GB/T 7964-1987	Sintered metal materials (excluding hardmetal)--Tension testing at room tEMperature 烧结金属材料(不包括硬质合金) 室温拉伸试验	China National Standards EM	English PDF
GB/T 7182-1987	MeasurEMent of noise in engine room of diesel locomotives 铁路内燃机车动力室噪声测量	China National Standards EM	English PDF
GB/T 7166-1987	In-core tEMperature orprimary envelope temperature measurements in nuclear power reactor--Characteristics and test methods 核动力堆堆芯或堆主包壳内温度测量特性和测试方法	China National Standards EM	English PDF
GB/T 7017-1986	Method of measurEMent of non-linearity in resistors 电阻器非线性测量方法	China National Standards EM	English PDF
GB/T 7016-1986	Method of measurEMent of current noise generated in fixed resistors 固定电阻器电流噪声测量方法	China National Standards EM	English PDF
GB/T 6974.15-1986	Lifting appliances--Vocabulary--Underslung monorail systEMs 起重机械名词术语悬挂单轨系统	China National Standards EM	English PDF
GB/T 6767-1986	RadiochEMical analysis of cesium-137 in water 水中铯-137放射化学分析方法	China National Standards EM	English PDF
GB/T 6766-1986	RadiochEMical analysis of strontium-90 in water--Extraction chromatography by di-(2-ethylhexyl) phosphori acid 水中锶-90 放射化学分析方法二-(2-乙基己基) 磷酸萃取色层法	China National Standards EM	English PDF
GB/T 6764-1986	RadiochEMical analysis of strontium-90 in water--Precipitation by fuming nitric acid 水中锶-90放射化学分析方法发烟硝酸沉淀法	China National Standards EM	English PDF
GB/T 6730.8-1986	Methods for chEMical analysis of iron ores--The potassium dichromate volumetric method for the determination of iron (Ⅱ)content 铁矿石化学分析方法重铬酸钾容量法测定亚铁量	China National Standards EM	English PDF
GB/T 6730.7-1986	Methods for chEMical analysis of iron ores--The sulfosalicylic acid photometric method for the determination of metallic iron content 铁矿石化学分析方法磺基水杨酸光度法测定金属铁量	China National Standards EM	English PDF
GB/T 6730.6-1986	Methods for chEMical analysis of iron ores--The ferric chloride-sodium acetate volumetric method for the determination of metallic iron content 铁矿石化学分析方法三氯化铁-乙酸钠容量法测定金属铁量	China National Standards EM	English PDF
GB/T 6730.51-1986	Methods for chEMical analysis of iron ores--The caustic asbestos absorption gravimetric method for the determination of carbon content in carbonate 铁矿石化学分析方法烧碱石棉吸收重量法测定碳酸盐中碳量	China National Standards EM	English PDF
GB/T 6730.50-1986	Methods for chEMical analysisof iron ores--The gas volumetric method for the determination of total carbon content 铁矿石化学分析方法气体容量法测定总碳量	China National Standards EM	English PDF
GB/T 6730.49-1986	Methods for chEMical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content 铁矿石化学分析方法原子吸收分光光度法测定钠和钾量	China National Standards EM	English PDF
GB/T 6730.48-1986	Methods for chEMical analysis of iron ores--The dithio diantipyryl methane photometric method for the determination of bismuth content 铁矿石化学分析方法二硫代二安替吡啉甲烷光度法测定铋量	China National Standards EM	English PDF
GB/T 6730.36-1986	Methods for chEMical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of copper content 铁矿石化学分析方法原子吸收分光光度法测定铜量	China National Standards EM	English PDF
GB/T 6730.3-1986	Methods for chEMical analysis of iron ores--The gravimetric method for the determination of hygroscopic moisture content in analytical samples 铁矿石化学分析方法重量法测定分析试样中吸湿水量	China National Standards EM	English PDF
GB/T 6730.14-1986	Methods for chEMical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content 铁矿石化学分析方法原子吸收分光光度法测定钙和镁量	China National Standards EM	English PDF
GB/T 6730.1-1986	Methods for chEMical analysis of iron ores--Preparation of predried test samples for chemical analysis 铁矿石化学分析方法分析用预干燥试样的制备	China National Standards EM	English PDF
GB/T 6667-1986	Methods of measurEMent for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section two:measurements in the antennas and passive repeaters 地面无线电接力系统所用设备的测量方法第二部分:分系统的测量第二节天线和无源转向器的测量	China National Standards EM	English PDF
GB/T 6662-1986	Methods of measurEMent for equipment used in terrestrial radio-relay systems--Part 1:Measurements common to sub-systems and simulated systems--Section three--Measurements in the intermediate-frequency range 地面无线电接力系统所用设备的测量方法第一部分:分系统和仿真系统通用的测量第三节:中频范围的测量	China National Standards EM	English PDF
GB/T 6648-1986	Blank detail specification for sEMiconductor inte-grated circuit static read/write memories 半导体集成电路静态读/ 写存储器空白详细规范(可供认证用)	China National Standards EM	English PDF
GB/T 2424.22-1986	Basic environmental testing procedures for electric and electronic products--Guidance for combined tEMperature (cold and heat) vibration (sinusoidal) tests 电工电子产品基本环境试验规程温度(低温、高温)和振动 (正弦) 综合试验导则	China National Standards EM	English PDF
GB 6738-1986	Safety requirEMents for indicating and recording electrical measuring instruments and their accessories 电测量指示和记录仪表及其附件的安全要求	China National Standards EM	English PDF
GB/T 875-1986	Thin head sEMi-tubular rivets 偏平头半空心铆钉	China National Standards EM	English PDF
GB/T 874-1986	120 degree countersunk head sEMi-tubular rivets 120°沉头半空心铆钉	China National Standards EM	English PDF
GB/T 873-1986	Oval head sEMi-tubular rivets 扁圆头半空心铆钉	China National Standards EM	English PDF
GB/T 1015-1986	Countersunk head sEMi-tubular rivets 沉头半空心铆钉	China National Standards EM	English PDF
GB/T 1014-1986	Truss head sEMi-tubular rivets 大扁圆头半空心铆钉	China National Standards EM	English PDF
GB/T 1013-1986	Cone head sEMi-tubular rivets 平锥头半空心铆钉	China National Standards EM	English PDF
GB/T 3431.2-1986	Letter symbols for sEMiconductor integrated circuits--Letter symbols for function of pins 半导体集成电路文字符号引出端功能符号	China National Standards EM	English PDF
GB/T 6525-1986	Sintered metal materials--Determinationof compression strength at room tEMperature 烧结金属材料室温压缩强度的测定	China National Standards EM	English PDF
GB/T 6513-1986	Character set for bibliographic information interchange on mathEMatical coding of characters 文献书目信息交换用数学字符编码字符集	China National Standards EM	English PDF
GB/T 6494-1986	MeasurEMent procedures for electrical characteristics of astronautic solar cells 航天用太阳电池电性能测试方法	China National Standards EM	English PDF
GB/T 3894.9-1986	Graphical symbols on the arrangEMent planof ship--Cargo handling gear 船舶布置图图形符号起货设备	China National Standards EM	English PDF
GB/T 6302-1986	MeasurEMent of thermodynamics parameters formarine diesel engine 船用柴油机热工参数的测量	China National Standards EM	English PDF
GB/T 6277-1986	Methods of measurEMent for television transmitters 电视发射机测量方法	China National Standards EM	English PDF
GB 6280-1986	Capacity series and frequency channels arrangEMent in 25 to 1000 MHz land mobile telecommunication network 25～1000 MHz陆地移动通信网的容量系列及频道配置	China National Standards EM	English PDF
GB/T 5839-1986	Rating systEMs for electronic tubes and semiconductor devices 电子管和半导体器件额定值制	China National Standards EM	English PDF
GB/T 5889-1986	Method of quantitative analysis of ramie chEMical components 苎麻化学成分定量分析方法	China National Standards EM	English PDF
GB/T 5881-1986	Sampling method of physical and chEMical properties of ramie fiber 苎麻理化性能试验取样方法	China National Standards EM	English PDF
GB/T 5707-1985	Textile terms and definitions (Jute，ramie， flax， hEMp) 纺织名词术语 (麻部分)	China National Standards EM	English PDF
GB/T 5687.4-1985	Methods for chEMical analysis of ferrochromium--The neutralization titration method for the determination of nitrogen content 铬铁化学分析方法中和滴定法测定氮量	China National Standards EM	English PDF
GB/T 5748-1985	Methods for airborne dust measurEMent in work place 作业场所空气中粉尘测定方法	China National Standards EM	English PDF
GB/T 5442-1985	The test methods for the technical specifications of inband pulsing single frequency line signalling systEM for automatic telephone switching network 电话自动交换网带内单频脉冲线路信号技术指标测试方法	China National Standards EM	English PDF
GB/T 5441.10-1985	Test methods for communication cable--MeasurEMent of actual length of coaxial pair--Sine wave method 通信电缆试验方法同轴对展开长度测量正弦波法	China National Standards EM	English PDF
GB/T 5437-1985	Document facsimile (group 3) transmission requirEMent 话路传真 (三类机) 传输要求	China National Standards EM	English PDF
GB/T 223.48-1985	Methods for chEMical analysis of iron，steel and alloy--The semixylenol orange photometric method for the determination of bismuth content 钢铁及合金化学分析方法半二甲酚橙光度法测定铋量	China National Standards EM	English PDF
GB/T 223.42-1985	Methods for chEMical analysis of iron，steel and alloy--The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalumcontent 钢铁及合金化学分析方法离子交换分离-溴邻苯三酚红光度法测定钽量	China National Standards EM	English PDF
GB/T 223.41-1985	Methods for chEMical analysis of iron，steel and alloy--The anion-exchange separation-pyrogallol photometric method for the determination of tantalum content 钢铁及合金化学分析方法离子交换分离-连苯三酚光度法测定钽量	China National Standards EM	English PDF
GB/T 223.38-1985	Methods for chEMical analysis of iron，steel and alloy--The anion-exchange separation-gravimetric method for the determination of niobium content 钢铁及合金化学分析方法离子交换分离-重量法测定铌量	China National Standards EM	English PDF
GB/T 5124.4-1985	Methods for chEMical analysis of hardmetals--The photometric peroxide method for the determination of titanium content 硬质合金化学分析方法过氧化物光度法测定钛量	China National Standards EM	English PDF
GB/T 5124.3-1985	Methods for chEMical analysisof hardmetals--The potentiometric method for the determination of cobalt content 硬质合金化学分析方法电位滴定法测定钴量	China National Standards EM	English PDF
GB/T 5081-1985	Guide for the collection of reliability，availability and maintainability data from field performance of electronic itEMs 电子产品现场工作可靠性、有效性和维修性数据收集指南	China National Standards EM	English PDF
GB/T 5076-1985	MeasurEMent of the dimensionsof a cylindrical component having two axial terminations 具有两个轴向引出端的圆柱体元件的尺寸测量	China National Standards EM	English PDF
GB/T 4702.9-1985	Methods for chEMical analysis of chromium metal--The crystal violet spectrophotometric method for the determination of antimony content 金属铬化学分析方法结晶紫分光光度法测定锑量	China National Standards EM	English PDF
GB/T 4702.8-1985	Methods for chEMical analysis of chromium metal--The distillation-molybdenum blue spectrophotometricmethod for the determination of arsenic content 金属铬化学分析方法蒸馏-钼蓝分光光度法测定砷量	China National Standards EM	English PDF
GB/T 4702.11-1985	Methods for chEMical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content 金属铬化学分析方法茜素紫分光光度法测定锡量	China National Standards EM	English PDF
GB/T 4702.10-1985	Methods for chEMical analysis of chromium metal--The cupral spectrophotometric method for the determination of copper content 金属铬化学分析方法铜试剂分光光度法测定铜量	China National Standards EM	English PDF
GB/T 4958.1-1985	Methods of measurEMent for equipment used in terrestrial radio-relay systems--Part 1:Measurements common to subsystems and simulated systems--Section One--General 地面无线电接力系统所用设备的测量方法第一部分:分系统和仿真系统通用的测量第一节总则	China National Standards EM	English PDF
GB/T 4921-1985	Waste gasfrom manufacturing process--Determination of chEMical oxygendemand and nitrogenoxide--Potassium dichromate oxidation and naphthylethylene diamine colorimetric method 工业废气耗氧值和氧化氮的测定重铬酸钾氧化、萘乙二胺比色法	China National Standards EM	English PDF
GB 4869-1985	Diagnostic criteria and principles of managEMent of occupational vibration disease 职业性局部振动病诊断标准及处理原则	China National Standards EM	English PDF
GB 4865-1985	Diagnostic criteria and principles of managEMent of occupational chronic allyl chloride poisoning 职业性慢性氯丙烯中毒诊断标准及处理原则	China National Standards EM	English PDF
GB/T 4830-1984	Pressure range and quality of air supply for the industrial process measurEMent and control instruments 工业自动化仪表气源压力范围和质量	China National Standards EM	English PDF
GB/T 4702.3-1984	Methods for chEMical analysis of chromium metal--The molybdenum blue photometric method for the determinationof phosphorus content 金属铬化学分析方法钼蓝光度法测定磷量	China National Standards EM	English PDF
GB/T 4582-1984	Terms and their definition of ferrocEMent 钢丝网水泥名词术语及其定义	China National Standards EM	English PDF
GB/T 3894.6-1984	Figurations and symbols on the arrangEMent plans of ships--Life-saving apparatus 船舶布置图图形符号救生设备	China National Standards EM	English PDF
GB/T 4333.7-1984	Methods for chEMical analysis of ferrosilicon--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content 硅铁化学分析方法色层分离硫酸钡重量法测定硫量	China National Standards EM	English PDF
GB/T 4333.1-1984	Methods for chEMical analysis of ferrosilicon--The perchloric acid dehydration-gravimetric method for the determination of silicon content 硅铁化学分析方法高氯酸脱水重量法测定硅量	China National Standards EM	English PDF
GB/T 4312.2-1984	Technical parameters and measuring methods for FM stereophonic broadcasting transmitters with supplEMentary channel 调频广播发射机技术参数和测量方法立体声带附加信道	China National Standards EM	English PDF

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