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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 "read" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 31.3-1988 Hexagon bolts with split pin hole on shank--Fine pitch thread--Product grade A and B
    六角头螺杆带孔螺栓 细牙 A和B级
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    GB/T 1391-1987 Turnable treads steel gangway ladder
    活动踏步钢质舷梯
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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)
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    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)
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    GB/T 6559-1986 Screw thread shanks for thread forming screw--Metric coarse thread series
    自攻锁紧螺钉的螺杆 粗牙普通螺纹系列
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    GB/T 4695-1984 Wheel tread and dimensions for narrowgauge locomotives and vehicles
    窄轨机车车辆 车轮踏面形状及尺寸
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    GB/T 597-1983 Marine bronze male thread lift check valves
    船用外螺纹青铜止回阀
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    GB/T 3106-1982 Bolts,screws and studs--Nominal lengths,and thread lengths for general purpose bolts
    螺栓、螺钉和螺柱的公称长度和普通螺栓的螺纹长度
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    GB/T 2350-1980 Fluid power systems and components--Cylinders--Piston rod thread dimensions and types
    液压气动系统及元件 活塞杆螺纹型式和尺寸系列
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