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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 "EL" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 799-1988 EyELet bolts
    地脚螺栓    		 China National Standards
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    GB/T 7991.9-2014 Test method of vitreous and porcELain enamels―Part 9: Determination of adhesion tensile strength
    搪玻璃层试验方法 第9部分：抗拉强度的测定    		 China National Standards
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    GB/T 7991.6-2014 Test method of vitreous and porcELain enamels—Part 6 High voltage test
    搪玻璃层试验方法 第6部分：高电压试验    		 China National Standards
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    GB/T 7991.5-2014 Test method of viterous and porcELain enamels—Part 5：Determination of thickness by electromagnetic mothod
    搪玻璃层试验方法 第5部分：用电磁法测量厚度    		 China National Standards
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    GB/T 7991.10-2014 Test method of viterous and porcELain enamels—Part 10：Determination of lead and cadmium release
    搪玻璃层试验方法 第10部分：铅、镉溶出量的测定    		 China National Standards
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    GB/T 7990-2013 Vitreous and porcELain enamels―Determination of resistance to impact
    搪玻璃层耐机械冲击试验方法    		 China National Standards
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    GB/T 7989-2013 Viterous and porcELain enamels―Determination of resistance to chemical corrosion by boiling acids and their vapours
    搪玻璃釉 耐沸腾酸及其蒸气腐蚀性能的测定    		 China National Standards
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    GB/T 7988-2013 Viterous and porcELain enamels―Determination of resistance to alkaline liquids
    搪玻璃釉 耐碱性溶液腐蚀性能的测定    		 China National Standards
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    GB/T 7987-2013 Vitreous and porcELain enamels-Determination of resistance to therml shock
    搪玻璃层耐温差急变性试验方法    		 China National Standards
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    GB/T 7986-2013 Conveyor bELts - Drum friction testing
    输送带 滚筒摩擦试验    		 China National Standards
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    GB/T 7985-2005 Conveyor bELts -- Method for the determination of the tear propagation resistance of textile conveyor belts
    输送带 织物芯输送带抗撕裂扩大性试验方法    		 China National Standards
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    GB/T 7984-2013 Conveyor bELts of textile construction for general use
    普通用途织物芯输送带    		 China National Standards
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    GB/T 7983-2013 Conveyor bELts―Transverse flexibility(troughability)―Test method
    输送带 横向柔性（成槽性） 试验方法    		 China National Standards
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    GB/T 7971-2007 Semiconducting ELectric cable paper
    半导电电缆纸    		 China National Standards
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    GB/T 7962.16-2010 Test methods of colourless optical glass - Part 16: Linear thermal expansion coefficient，transformation temperature and yiELd point temperature
    无色光学玻璃测试方法 第16部分：线膨胀系数、转变温度和弛垂温度    		 China National Standards
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    GB/T 7946-2015 ELectrical installation and safe operation of electric security fences
    脉冲电子围栏及其安装和安全运行    		 China National Standards
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    GB/T 7940.2-2008 Pneumatic fluid power - Five-port directional control valves - Part 2: Mounting interface surfaces with optional ELectrical connector
    气动 五气口方向控制阀 第2部分：带可选电气接头的安装面    		 China National Standards
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    GB/T 7940.1-2008 Pneumatic fluid power - Five-port directional control valves - Part 1: Mounting interface surfaces without ELectrical connector
    气动 五气口方向控制阀 第1部分：不带电气接头的安装面    		 China National Standards
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    GB/T 7932-2003 Pneumatic fluid power--General rules rELating tosystems
    气动系统通用技术条件    		 China National Standards
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    GB/T 7931-2008 Specifications for aerophotogrammetric fiELd work of 1:500 1:1 000 1:2 000 topographic maps
    1:500 1:1 000 1:2 000 地形图航空摄影测量外业规范    		 China National Standards
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    GB/T 7926-2015 NC reciprocating travELing type wire electrical-discharge machines—Testing of the accuracy
    数控往复走丝电火花线切割机床 精度检验    		 China National Standards
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    GB/T 7926-2005 Wire ELectrical-discharge machines(Reciprocating traveling type)-Testing of the accuracy
    电火花线切割机（往复走丝型）精度检验    		 China National Standards
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    GB/T 7925-2005 Wire ELectrical-discharge machines(Reciprocating traveling type)-Parameters
    电火花线切割机（往复走丝型）参数    		 China National Standards
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    GB/T 7920.17-2009 SteEL reinforcement (bar) processing machinery - Terminology
    钢筋加工机械 术语    		 China National Standards
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    GB/T 7920.15-2003 Asphalt storage，mELting and heating units--Termin-ology
    沥青储存、熔化和加热装置 术语    		 China National Standards
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    GB/T 790-1995 Overhead travELling crane--Span series and lifting height series
    电动桥式起重机跨度和起升高度系列    		 China National Standards
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    GB/T 7899-2006 Regulators for wELding, cutting and the similar processes
    焊接、切割及类似工艺用气瓶减压器    		 China National Standards
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    GB/T 783-2013 Lifting appliances - Range of maximum capacities for basic modELs
    起重机械 基本型的最大起重量系列    		 China National Standards
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    GB/T 7828-1987 RELiability design reviews
    可靠性设计评审    		 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/T 7826-2012 Analysis techniques for system rELiability - Procedure for failure mode and effects analysis（FMEA）
    系统可靠性分析技术 失效模式和影响分析（FMEA）程序    		 China National Standards
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    GB/T 7788-2007 General specification for anodic shiELd coating of ship and marine engineering
    船舶及海洋工程阳极屏涂料通用技术条件    		 China National Standards
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    GB/T 7781-2005 The modEL designation of separators
    分离机 型号编制方法    		 China National Standards
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    GB/T 7780-2005 The modEL designation of filters
    过滤机 型号编制方法    		 China National Standards
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    GB/T 7779-2005 The modEL designation of centrifuges
    离心机 型号编制方法    		 China National Standards
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    GB/T 7767-2014 Standard terminology rELating to carbon black
    炭黑术语    		 China National Standards
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    GB/T 7760-2003 Rubber，vulcanized or thermoplastic--Determination of adhesion to a rigid substrate--90 degrees peEL method
    硫化橡胶或热塑性橡胶与硬质板材粘合强度的测定 90°剥离法    		 China National Standards
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    GB/T 7759.1-2015 Rubber,vulcanized or thermoplastic—Determination of compression set—Part 1: At ambient or ELevated temperatures
    硫化橡胶或热塑性橡胶 压缩永久变形的测定 第1部分：在常温及高温条件下    		 China National Standards
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    GB/T 7752-1987 Test method for ELectric strength of insulating adhesive tape at power frequency
    绝缘胶粘带工频击穿强度试验方法    		 China National Standards
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    GB/T 775.2-2003 Test method for insulators--Part2: ELectrical test methods
    绝缘子试验方法 第2部分: 电气试验方法    		 China National Standards
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    GB/T 7736-2008 Ultrasonic inspecting method for macro-structure and imperfection of steEL
    钢的低倍缺陷超声波检验法    		 China National Standards
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    GB/T 7735-2004 SteEL tubes--The inspection method on eddy current test
    钢管涡流探伤检验方法    		 China National Standards
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    GB/T 7734-2015 Method for ultrasonic testing of clad steEL plates
    复合钢板超声检测方法    		 China National Standards
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    GB/T 7734-2004 Method for ultrasonic testing of clad steEL plates
    复合钢板超声波检验方法    		 China National Standards
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    GB/T 7731.9-2008 Ferrotungsten - Determination of bismuth content - The bismuth iodide photometric method and inductivELy coupled plasma - atomic emission spectrometry
    钨铁 铋含量的测定 碘化铋光度法和电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 7731.8-2008 Ferrotungsten - Determination of antimony content - The tetraethylrhodamine photometrie method and inductivELy coupled plasma-atomic emission spectrometry
    钨铁 锑含量的测定 罗丹明B光度法和电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 7731.7-2008 Ferrotungsten - Determination of tin content - Phenylfluorone photometric method and inductivELy coupled plasma-atomic emission spectrometry
    钨铁 锡含量的测定 苯基荧光酮光度法和电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 7731.6-2008 Ferrotungsten - Determination of arsenic content - The molybdenum blue photometrie method and inductivELy coupled plasma-atomic emission spectrometry
    钨铁 砷含量的测定 钼蓝光度法和电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 7731.14-2008 Ferrotungsten - Determination of lead content - The polarographic method and inductivELy coupled plasma-atomic emission spectrometry
    钨铁 铅含量的测定 极谱法和电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 7724-2008 ELectronic weighing meter
    电子称重仪表    		 China National Standards
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    GB/T 7723-2008 Fixed location ELectronic instrument
    固定式电子衡器    		 China National Standards
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    GB/T 7722-2005 ELectronic portable platform and bench scale
    电子台案秤    		 China National Standards
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    GB/T 772-2005 Technical specifications of porcELain element for high voltage insulators
    高压绝缘子瓷件 技术条件    		 China National Standards
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    GB/T 7721-2007 Continuous totalizing automatic weighing instruments(ELectronic belt weighers)
    连续累计自动衡器（电子皮带秤）    		 China National Standards
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    GB/T 7706-2008 The rELief prints for decorating
    凸版装潢印刷品    		 China National Standards
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    GB/T 7702.18-2008 Test method for granular activated carbon from coal - Determination of caramEL adsorption
    煤质颗粒活性炭试验方法 焦糖脱色率的测定    		 China National Standards
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    GB/T 7700-2005 Spindle for 16mm motion picture projector reELs-Dimensions
    16mm电影放映机片轴 尺寸    		 China National Standards
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    GB/T 7690.3-2013 Reinforcements - Test method for yarns - Part 3: Determination of breaking force and breaking ELongation for glass fibre
    增强材料 纱线试验方法 第3部分：玻璃纤维断裂强力和断裂伸长的测定    		 China National Standards
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    GB/T 7689.5-2013 Reinforcements - Test method for woven fabrics - Part 5: Determination of glass fibre tensile breaking force and ELongation at break
    增强材料 机织物试验方法 第5部分：玻璃纤维拉伸断裂强力和断裂伸长的测定    		 China National Standards
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    GB/T 7676.9-1998 Direct acting indicating analogue ELectrical measuring instruments and their accessories--Part 9:Recom-mended test methods
    直接作用模拟指示电测量仪表及其附件 第9部分:推荐的试验方法    		 China National Standards
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    GB/T 7676.8-1998 Direct acting indicating analogue ELectrical measuring instruments and their accessories--Part 8:Special requirements for accessories
    直接作用模拟指示电测量仪表及其附件 第8部分:附件的特殊要求    		 China National Standards
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    GB/T 7676.7-1998 Direct acting indicating analogue ELectrical measuring instruments and their accessories--Part 7:Special requirements for multi-function instruments
    直接作用模拟指示电测量仪表及其附件 第7部分:多功能仪表的特殊要求    		 China National Standards
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    GB/T 7676.6-1998 Direct acting indicating analogue ELectrical measuring instruments and their accessories--Part 6:Special requirements for ohmmeters(impedance meters) and conductance meters
    直接作用模拟指示电测量仪表及其附件 第6部分:电阻表(阻抗表)和电导表的特殊要求    		 China National Standards
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    GB/T 7676.5-1998 Direct acting indicating analogue ELectrical measuring instruments and their accessories--Part 5:Special requirements for phase meters，power factor meters and synchroscopes
    直接作用模拟指示电测量仪表及其附件 第5部分:相位表、功率因数表和同步指示器的特殊要求    		 China National Standards
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    GB/T 7676.4-1998 Direct acting indicating analogue ELectrical measuring instruments and their accessories--Part 4:Special requirements for frequency meters
    直接作用模拟指示电测量仪表及其附件 第4部分:频率表的特殊要求    		 China National Standards
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    GB/T 7676.3-1998 Direct acting indicating analogue ELectrical measuring instruments and their accessories--Part 3:Special requirements for wattmeters and varmeters
    直接作用模拟指示电测量仪表及其附件 第3部分:功率表和无功率表的特殊要求    		 China National Standards
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    GB/T 7676.2-1998 Direct acting indicating analogue ELectrical measuring instruments and their accessories--Part 2:Special requirements for ammeters and voltmeters
    直接作用模拟指示电测量仪表及其附件 第2部分:电流表和电压表的特殊要求    		 China National Standards
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    GB/T 7676.1-1998 Direct acting indicating analogue ELectrical measuring instruments and their accessories--Part 1:Definition and general requirements common to all parts
    直接作用模拟指示电测量仪表及其附件 第1部分:定义和通用要求    		 China National Standards
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    GB/T 7672.5-2008 Glass-fiber wound winding wires - Part 5: Glass-fiber wound resin or varnish impregnated, bare or enamELled rectangular copper wire, temperature index 200
    玻璃丝包绕组线 第5部分：200级浸漆玻璃丝包铜扁线和玻璃丝包漆包铜扁线    		 China National Standards
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    GB/T 7672.4-2008 Glass-fiber wound winding wires - Part 4: Glass-fiber wound resin or varnish impregnated, bare or enamELled rectangular copper wire, temperature index 180
    玻璃丝包绕组线 第4部分：180级浸漆玻璃丝包铜扁线和玻璃丝包漆包铜扁线    		 China National Standards
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    GB/T 7672.3-2008 Glass-fiber wound winding wires - Part 3: Glass-fiber wound resin or varnish impregnated, bare or enamELled rectangular copper wire, temperature index 155
    玻璃丝包绕组线 第3部分：155级浸漆玻璃丝包铜扁线和玻璃丝包漆包铜扁线    		 China National Standards
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    GB/T 7672.24-2008 Glass-fiber wound winding wires - Part 24: Glass-fiber wound resin or varnish impregnated, bare or enamELled round copper wire, temperature index 200
    玻璃丝包绕组线 第24部分：200级浸漆玻璃丝包铜圆线和玻璃丝包漆包铜圆线    		 China National Standards
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    GB/T 7672.23-2008 Glass-fiber wound winding wires - Part 23: Glass-fiber wound resin or varnish impregnated, bare or enamELled round copper wire, temperature index 180
    玻璃丝包绕组线 第23部分：180级浸漆玻璃丝包铜圆线和玻璃丝包漆包铜圆线    		 China National Standards
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    GB/T 7672.22-2008 Glass-fiber wound winding wires - Part 22: Glass-fiber wound resin or varnish impregnated, bare or enamELled round copper wire, temperature index 155
    玻璃丝包绕组线 第22部分：155级浸漆玻璃丝包铜圆线和玻璃丝包漆包铜圆线    		 China National Standards
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    GB/T 7672.2-2008 Glass-fiber wound winding wires - Part 2: Glass-fiber wound resin or varnish impregnated, bare or enamELled rectangular copper wire, temperature index 130
    玻璃丝包绕组线 第2部分：130级浸漆玻璃丝包铜扁线和玻璃丝包漆包铜扁线    		 China National Standards
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    GB/T 7670-2009 ELectrodynamic vibration generating systems(equipment) - Performance characteristics
    电动振动发生系统（设备） 性能特性    		 China National Standards
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    GB/T 7661-2009 Bubble classes of optical ELements
    光学零件气泡度    		 China National Standards
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    GB/T 7660.3-2013 Reflecting prisms―Part 3: Optical parallELism and test method
    反射棱镜 第3部分：光学平行度及其检验方法    		 China National Standards
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    GB/T 7659-2010 steEL casting suitable for welded structure
    焊接结构用铸钢件    		 China National Standards
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    GB/T 7637-1987 Operation rules of construction and installation of biogas pipELines for peasant household
    农村家用沼气管路施工安装操作规程    		 China National Standards
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    GB/T 7636-1987 Standard on design of biogas pipELines for peasant household
    农村家用沼气管路设计规范    		 China National Standards
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    GB/T 7631.9-2014 Lubricants,industrial oils and rELated products (class L)-Classification―Part 9: Family D(Compressors)
    润滑剂、工业用油和有关产品（L类）的分类 第9部分：D组(压缩机)    		 China National Standards
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    GB/T 7631.8-1990 Lubricants and rELated products (class L)--Classification--Part 8:Family X (Greases)
    润滑剂和有关产品(L类) 的分类 第8 部分:X 组 (润滑脂)    		 China National Standards
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    GB/T 7631.7-1995 Lubricants and rELated products (class L)--Classification--Part 7:Family C (Gears)
    润滑剂和有关产品(L类)的分类 第7部分:C组(齿轮)    		 China National Standards
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    GB/T 7631.6-1989 Lubricants and rELated products (class L)--Classification--Part 6:Family R (Temporary protection against corrosion)
    润滑剂和有关产品(L类)的分类 第6 部分:R组 (暂时保护防腐蚀)    		 China National Standards
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    GB/T 7631.5-1989 Lubricants and rELated products (class L)--Classification--Part 5:Family M (Metal working)
    润滑剂和有关产品(L类)的分类 第5 部分:M组(金属加工)    		 China National Standards
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    GB/T 7631.4-1989 Lubricants and rELated products (class L)--Classification--Part 4:Family F (Spindlebearings，bearings and associated clutches)
    润滑剂和有关产品(L类)的分类 第4 部分:F组 (主轴、轴承和有关离合器)    		 China National Standards
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    GB/T 7631.2-2003 Lubricants，industrial oils and rELated products(class L)--Classification--Part 2: Family H(Hydraulic systems)
    润滑剂、工业用油和相关产品(L类)的分类 第2部分:H组(液压系统)    		 China National Standards
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    GB/T 7631.17-2014 Lubricants,industrial oils and rELated products(class L)-Classification—Part 17: Family E(Internal combustion engine oils)
    润滑剂、工业用油和相关产品（L类）的分类 第17部分：E组(内燃机油)    		 China National Standards
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    GB/T 7631.16-1999 Lubricants and rELated products(class L)--Classification--Part 16:Family P (Pneumatic tools)
    润滑剂和有关产品(L类)的分类 第16部分:P组(气动工具)    		 China National Standards
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    GB/T 7631.15-1998 Lubricants and rELated products(class L)--Classification--Part 15:Family N (Insulating liquids)
    润滑剂和有关产品(L类)的分类 第15部分:N组(绝缘液体)    		 China National Standards
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    GB/T 7631.14-1998 Lubricants and rELated products(class L)--Classification--Part 14:Family U (Heat treatment)
    润滑剂和有关产品(L类)的分类 第14部分:U组(热处理)    		 China National Standards
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    GB/T 7631.13-2012 Lubricants，industrial oils and rELated products(class L) - Classification - Part 13: Family A(Total loss systems)
    润滑剂、工业用油和有关产品（L类）的分类 第13部分：A组（全损耗系统）    		 China National Standards
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    GB/T 7631.12-2014 Lubricants,industrial oils and rELated prouducts (class L)-Clasification―Part 12: Family Q (Heat transfer fluids)
    润滑剂、工业用油和有关产品（L类）的分类 第12部分：Q组（有机热载体）    		 China National Standards
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    GB/T 7631.1-2008 Lubricants，industrial oils and rELated products(class L) - Classification - Part 1:General
    润滑剂、工业用油和有关产品(L类)的分类 第1部分：总分组    		 China National Standards
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    GB/T 7631.11-2014 Lubricants,industrial oils and rELated products (class L)Classification—Part 11: Family G(Slideways)
    润滑剂、工业用油和有关产品（L类）的分类 第11部分：G组(导轨)    		 China National Standards
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    GB/T 7631.10-2013 Lubricants, industrial oils and rELated products (class L) - Classification - Part 10: Family T (Turbines)
    润滑剂、工业用油和有关产品（L类）的分类 第10部分：T组（涡轮机）    		 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
    EL
    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
    EL
    English PDF

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