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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 "di" GB Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 2077-1987 Indexable hardmetal (carbide) inserts--Corner radii
    硬质合金可转位刀片圆角半径    		 China National Standards
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    GB/T 7827-1987 Reliability prediction procedure
    可靠性预计程序    		 China National Standards
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    GB 7808-1987 diagnostic criteria and principles of management of occupational melanosis
    职业性黑变病诊断标准及处理原则    		 China National Standards
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    GB 7807-1987 diagnostic criteria and principles of management of occupational photosensitive dermatitis
    职业性光敏性皮炎诊断标准及处理原则    		 China National Standards
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    GB 7806-1987 diagnostic criteria and principles of management of occupational contact dermatitis
    职业性接触性皮炎诊断标准及处理原则    		 China National Standards
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    GB 7805-1987 diagnostic criteria and principles of management of occupational electroflash dermatitis
    职业性电光性皮炎诊断标准及处理原则    		 China National Standards
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    GB 7804-1987 diagnostic criteria and principles of management of occupational dermatonosis--General
    职业性皮肤病诊断标准及处理原则 (总则)    		 China National Standards
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    GB 7803-1987 diagnostic criteria and principles of management of occupational cadmium poisoning
    职业性镉中毒诊断标准及处理原则    		 China National Standards
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    GB 7802-1987 diagnostic criteria and principles of management of occupational acute toluene poisoning
    职业性急性甲苯中毒诊断标准及处理原则    		 China National Standards
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    GB 7801-1987 diagnostic criteria and principles of management of occupational acute nitrogen oxides
    职业性急性氮氧化物中毒诊断标准及处理原则    		 China National Standards
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    GB 7800-1987 diagnostic criteria and principles of management of occupational acute ammonia poisoning
    职业性急性氨中毒诊断标准及处理原则    		 China National Standards
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    GB 7799-1987 diagnostic criteria and principles of management of occupational acute acrylonitrile poisoning
    职业性急性丙烯腈中毒诊断标准及处理原则    		 China National Standards
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    GB 7798-1987 diagnostic criteria and principles of management of occupational chromium induced nasal disease
    职业性铬鼻病诊断标准及处理原则    		 China National Standards
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    GB 7797-1987 diagnostic criteria and principles of management of occupational acute phosphine poisoning
    职业性急性磷化氢中毒诊断标准及处理原则    		 China National Standards
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    GB 7796-1987 diagnostic criteria and principles of management of occupational acute methyl bromide poisoning
    职业性急性溴甲烷中毒诊断标准及处理原则    		 China National Standards
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    GB 7795-1987 diagnostic criteria and principles of management of occupational acute electric ophthalmia (Keratoconjunctivitis caused by ultraviolet rays)
    职业性急性电光性眼炎(紫外线角膜结膜炎)诊断标准及处理原则    		 China National Standards
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    GB 7794-1987 diagnostic criteria and principles of management of occupational acute organophosphates poisoning
    职业性急性有机磷农药中毒诊断标准及处理原则    		 China National Standards
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    GB/T 7750-1987 Test method of creep properties of adhesive in shear by tension loading (metal to metal)
    胶粘剂拉伸剪切蠕变性能试验方法 (金属对金属)    		 China National Standards
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    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
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    GB/T 7713-1987 Presentation of scientific and technical reports，dissertations and scientific papers
    科学技术报告、学位论文和学术论文的编写格式    		 China National Standards
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    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
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    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
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    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
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    GB/T 7623-1987 Automatic answering equipment and/or parallel automatic calling equipment on the general switched telephone network， including procedures for bling of echo control devices for both manually and automatically established calls
    在电话自动交换网上的自动应答设备和(或)并行自动呼叫设备， 包括人工和自动建立呼叫时使回波控制装置停止工作的规程    		 China National Standards
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    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
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    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
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    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
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    GB/T 7594.9-1987 Rubber insulation and sheath of electric cables and wires--Part 9:Ordinary duty flame-retardant rubber sheath 85℃
    电线电缆橡皮绝缘和橡皮护套 第9部分:85℃一般不延燃橡皮护套    		 China National Standards
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    GB/T 7594.5-1987 Rubber insulation and sheath of electric cables and wires--Part 5:Ordinary duty flame-retardant rubber sheath 65℃
    电线电缆橡皮绝缘和橡皮护套 第5部分:65℃一般不延燃橡皮护套    		 China National Standards
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    GB/T 7594.4-1987 Rubber insulationand sheath of electric cables and wires--Part 4:Ordinary duty rubber sheath 65℃
    电线电缆橡皮绝缘和橡皮护套 第4部分:65℃一般橡皮护套    		 China National Standards
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    GB/T 7594.10-1987 Rubber insulation and sheath of electric cables and wires--Part 10:Ordinary duty flame-retardant rubber sheath 90℃
    电线电缆橡皮绝缘和橡皮护套 第10部分:90℃一般不延燃橡皮护套    		 China National Standards
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    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
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    GB/T 7583-1987 Acoustics--Pure tone air conductionthreshold audio-metry--For hearing conservation purposes
    声学 纯音气导听阈测定 听力保护用    		 China National Standards
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    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
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    GB/T 7515-1987 Information processing--Coding of machine readable characters (MICR and OCR)
    信息处理用机器可读字符编码 (磁墨水字符识别和光学字符识别的字符)    		 China National Standards
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    GB 7495-1987 The protecting distance betweenoverhead power line and receiving station of AM broadcasting
    架空电力线路与调幅广播收音台的防护间距    		 China National Standards
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    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
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    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
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    GB/T 7389-1987 Shipbuilding--Cargo winches
    船用起货绞车    		 China National Standards
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    GB/T 7372-1987 dichlorodifluoromethane for industrial uses
    工业用二氟二氯甲烷 (F12)    		 China National Standards
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    GB/T 7491-1987 Water quality--Determination of volatile phenolic compounds--After distillation with bromine method
    水质 挥发酚的测定 蒸馏后溴化容量法    		 China National Standards
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    GB/T 7490-1987 Water quality--Determination of volatile phenolic compounds--After distillation by means of 4-AAP spectrophotometric method
    水质 挥发酚的测定 蒸馏后4-氨基安替比林分光光度法    		 China National Standards
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    GB/T 7489-1987 Water quality--Determination of dissolved oxygen--Iodometric method
    水质 溶解氧的测定 碘量法    		 China National Standards
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    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
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    GB/T 7485-1987 Water quality--Determination of total arsenic--Silver diethyldithiocarbamate spectrophotometricmethod
    水质 总砷的测定 二乙基二硫代氨基甲酸银分光光度法    		 China National Standards
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    GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
    水质 硝酸盐氮的测定 酚二磺酸分光光度法    		 China National Standards
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    GB/T 7478-1987 Water quality--Determination of ammonium--distillation and titration method
    水质 铵的测定 蒸馏和滴定法    		 China National Standards
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    GB/T 7474-1987 Water quality--Determination of copper--Sodium diethyldithiocabamate spectrophotometric method
    水质 铜的测定 二乙基二硫代氨基甲酸钠分光光度法    		 China National Standards
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    GB/T 7473-1987 Water quality--Determination of copper--2，9-dimethy-1，10-phenanthroline spectrophotometric method
    水质 铜的测定 2，9-二甲基-1，10-菲啰啉分光光度法    		 China National Standards
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    GB/T 7472-1987 Water quality--Determination of zinc--Spectrophotometric method with dithizone
    水质 锌的测定 双硫腙分光光度法    		 China National Standards
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    GB/T 7471-1987 Water quality--Determination of cadmium--Spectrophotometric method with dithizone
    水质 镉的测定 双硫腙分光光度法    		 China National Standards
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    GB/T 7470-1987 Water quality--Determination of lead--Spectrophotometric method with dithizone
    水质 铅的测定 双硫腙分光光度法    		 China National Standards
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    GB/T 7469-1987 Water quality--Determination of the total mercury--Potassium permanganate-pootassium peralfate descomposed method--dithizone spectrophotometric method
    水质 总汞的测定 高锰酸钾-过硫酸钾消解法 双硫腙分光光度法    		 China National Standards
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    GB/T 7467-1987 Water quality--Determination of chromium(Ⅵ)--1，5 diphenylcarbohydrazide spectrophotometric method
    水质 六价铬的测定 二苯碳酰二肼分光光度法    		 China National Standards
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    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
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    GB/T 7340-1987 Fixed resistors for use in electronic equipment--Part 6:Blank detail specification--Fixed resistor networks with individually measurable resistor of either different resistance values or different rated dissipations--Assessment level E
    电子设备用固定电阻器 第六部分:空白详细规范 阻值和功耗不同， 各电阻器可单独测量的固定电阻网络 评定水平 E (可供认证用)    		 China National Standards
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    GB/T 7339-1987 Fixed resistors for use in electronic equipment--Part 6:Blank detail specification--Fixed resistor networks with individually measurable resistors， all of equal value and equal dissipation--Assessment level E
    电子设备用固定电阻器 第六部分:空白详细规范 阻值和功耗相同， 各电阻器可单独测量的固定电阻网络 评定水平 E (可供认证用)    		 China National Standards
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    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
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    GB/T 7288.2-1987 Equipment reliability testing--Preferred test conditions--Equipment for stationary use in weather protected locations--High degree of simulation
    设备可靠性试验 推荐的试验条件 固定使用在有气候防护场所设备 精模拟    		 China National Standards
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    GB/T 7288.1-1987 Equipment reliability testing--Preferred test conditions indoor portable equipment--Low degree ofsimulation
    设备可靠性试验 推荐的试验条件 室内便携设备 粗模拟    		 China National Standards
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    GB/T 7289-1987 Presentation of reliability，maintainability and availability predictions
    可靠性、维修性与有效性预计报告编写指南    		 China National Standards
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    GB/T 7276-1987 Hinges general technical condition
    合页通用技术条件    		 China National Standards
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    GB/T 7265.2-1987 Test method for the complex permittivity of solid dielectric materials at microwave frequencies--Open cavity method
    固体电介质微波复介电常数的测试方法 开式腔法    		 China National Standards
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    GB/T 7265.1-1987 Test method for complex permittivity of solid dielectric materials at microwave frequencies--Perturbation method
    固体电介质微波复介电常数的测试方法 微扰法    		 China National Standards
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    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
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    GB/T 7963-1987 Sintered metal materials (excluding hardmetal)--Tensile test pieces
    烧结金属材料(不包括硬质合金) 拉伸试样    		 China National Standards
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    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
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    GB/T 7161-1987 Unsealed radioactive substances--Identification and certification
    非密封放射性物质 识别和证书    		 China National Standards
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    GB/T 7130-1986 Determination of free phenols in phenol-formaldehyde mouldings--Iodometric method
    酚醛模塑制品中游离酚的测定 碘量法    		 China National Standards
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    GB 6989-1986 diagnostic criteria and principle of treatment for chronic methyl-mercury poisoning caused by water pollution
    水体污染慢性甲基汞中毒诊断标准及处理原则    		 China National Standards
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    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
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    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
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    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
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    GB/T 6808-1986 Anodizing of aluminium and its alloys--Accelerated test of light fastness of coloured anodic oxide coatings using artificial light
    铝及铝合金阳极氧化着色阳极氧化膜耐晒度的人造光加速试验    		 China National Standards
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    GB/T 5211.13-1986 Determination of acidity or alkalinity of theaqueous extract of pigments
    颜料水萃取液酸碱度的测定    		 China National Standards
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    GB/T 6577-1986 Hydraulic fluid power--Cylinders--Piston seal housings incorporating bearing rings--dimensions and tolerances
    液压缸活塞用带支承环密封沟槽型式、尺寸和公差    		 China National Standards
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    GB/T 6531-1986 Crude petroleum and fuel oils--Determination of sediment--Extraction method
    原油和燃料油中沉淀物测定法(抽提法)    		 China National Standards
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    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
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    GB/T 6443-1986 Involute cylindrical gears--Information of the dimensional data to be given on the drawing
    渐开线圆柱齿轮图样上应注明的尺寸数据    		 China National Standards
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    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
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    GB/T 6301-1986 Determination of fuel consumption rate for marine diesel engine
    船用柴油机燃油消耗率测定方法    		 China National Standards
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    GB/T 6258-1986 Blank detail specification for disk seal power tubes
    盘封电子管空白详细规范    		 China National Standards
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    GB/T 6207-1986 Blank detail specification for oscilloscope tubes and indicator tubes
    示波管和指示管空白详细规范(可供认证用)    		 China National Standards
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    GB/T 5901.1-1986 Types, basic parameters and dimensions of four-jaw independent chucks
    四爪单动卡盘 型式、基本参数和尺寸    		 China National Standards
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    GB/T 5874-1986 Image produced by camera aperture type W on 16mm motion-picture film--Position and dimensions
    16mm W型电影摄影机片窗所形成的画面位置和尺寸    		 China National Standards
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    GB/T 5825-1986 Symbolic designation of direction of opening and closing and faces of doors and windows
    建筑门窗扇开、关方向和开、关面的标志符号    		 China National Standards
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    GB/T 6195-1986 Determination of vitamin C in vegetables and fruits(2，6-dichloro indophenoltitration method)
    水果、蔬菜维生素C含量测定法 (2，6-二氯靛酚滴定法)    		 China National Standards
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    GB/T 5599-1985 Railway vehicles--Specification for evaluation the dynamic performance and accreditation test
    铁道车辆动力学性能评定和试验鉴定规范    		 China National Standards
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    GB/T 5474-1985 Phenol-formaldehyde mouldings--Determination of free ammonia and ammonium compounds--Colorimetric comparison method
    酚醛模塑制品游离氨和铵化合物的测定 比色法    		 China National Standards
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    GB/T 5473-1985 Phenol-formaldehyde mouldings--Detection of free ammonia
    酚醛模塑制品游离氨的检定    		 China National Standards
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    GB/T 5298-1985 Image area on 35mm motion-picture films with masked picture--Positions and dimensions
    35mm电影遮幅法影片画面的位置及尺寸    		 China National Standards
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    GB/T 5318-1985 Sintered metals materials，excluding hard metals--Unnotched impact test piece
    烧结金属材料 (不包括硬质合金) 无切口冲击试样    		 China National Standards
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    GB/T 5276-1985 Fasteners--Bolts，screws，studs and nuts--Symbols and designations of dimensions
    紧固件 螺栓、螺钉、螺柱及螺母尺寸代号和标注    		 China National Standards
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