China National Standards

China NC GB Standards English PDF List


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 "NC" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 3451-1982 Standard tuning frequeNCy
    标准调音频率
    China National Standards
    NC

    English PDF
    GB 3377-1982 MultifrequeNCy register signalling system for telephone automatic switching network
    电话自动交换网多频记发器信号方式
    China National Standards
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    English PDF
    GB 3376-1982 Inband pulsing single frequeNCyline signalling system for telephone automatic switching network
    电话自动交换网带内单频脉冲线路信号方式
    China National Standards
    NC

    English PDF
    GB/T 3296-1982 Standard test method for transpareNCy of domestic porcelain ware
    日用瓷器透光度的测定方法
    China National Standards
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    English PDF
    GB 3234-1982 Diagnostic criteria and priNCiples of management of industrial fluorosis
    工业性氟病诊断标准及处理原则
    China National Standards
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    English PDF
    GB 3233-1982 Diagnostic criteria and priNCiples of management of occupational chronic carbon disulfide poisoning
    职业性慢性二硫化碳中毒诊断标准及处理原则
    China National Standards
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    English PDF
    GB 3232-1982 Diagnostic criteria and priNCiples of management of occupational chronic manganism
    职业性慢性锰中毒诊断标准及处理原则
    China National Standards
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    English PDF
    GB/T 3240-1982 Preferred frequeNCies for the acoustical measurement
    声学测量中的常用频率
    China National Standards
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    English PDF
    GB/T 3238-1982 Acoustical levels and refreNCe quantities
    声学量的级及其基准值
    China National Standards
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    English PDF
    GB/T 3103.2-1982 ToleraNCes for fasteners--Bolts,screws and nuts for fine mechanics
    紧固件公差 用于精密机械的螺栓、螺钉和螺母
    China National Standards
    NC

    English PDF
    GB/T 2880-1981 Hydraulic fluid power--Cylinder rod and piston seals for reciprocating applications--Dimensions andtoleraNCes of housings--Narrow section series
    液压缸活塞和活塞杆 窄断面动密封沟槽尺寸系列和公差
    China National Standards
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    GB/T 1989-1980 Methods for indication of the 7-bit eNCoding character set for information processing switching on 12.7 mm magnetic tape
    信息处理交换用七位编码字符集在9磁道12.7 毫米磁带上的表示方法
    China National Standards
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    GB/T 1765-1979 Method of producing of paint films for testing heat and humidity resistaNCe,salt-fog resistance and accelerated weathering
    测定耐湿热、耐盐雾、耐侯性 (人工加速) 的漆膜制备法
    China National Standards
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    GB/T 1749-1979 Method of test for consisteNCy of pastes and putties
    厚漆、腻子稠度测定法
    China National Standards
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    GB 188-1963 Locomotive and car clearaNCe boundary and structure clearance boundary for 762mm gauge railways--Classification and basic dimensions
    762毫米轨距铁路机车车辆限界和建筑接近限界分类及基本尺寸
    China National Standards
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    GB/T 305-2019 Rolling bearings-Snap ring grooves and snap rings for radial bearings-Dimensions,geometrical product specifications (GPS) and toleraNCe values
    滚动轴承 向心轴承止动槽和止动环 尺寸、产品几何技术规范(GPS)和公差值
    China National Standards
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