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  •  China "Duration" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 3836.32-2021 Explosive atmospheres—Part 32:Intrinsically safe systems with electronically controlled spark Duration limitation
    爆炸性环境 第32部分:电子控制火花时限本质安全系统
    China National Standards
    Duration

    English PDF
    GB/T 27204-2017 Confromity assessment—Guidelines for determining the Duration of management system certification audits
    合格评定 确定管理体系认证审核时间指南
    China National Standards
    Duration

    English PDF
    GB/T 33702-2017 Photoelectric sunshine Duration sensor
    光电式日照传感器
    China National Standards
    Duration

    English PDF
    GB/T 7341.3-1998 Audiometers--Part 3:Auditory test signals of short Duration for audiometric and neuro-otological purposes
    听力计 第3部分 用于测听与神经耳科的短持续听觉测试信号
    China National Standards
    Duration

    English PDF
    GB/T 4854.6-2014 Acoustics―Reference zero for the calibration of audiometric equipment―Part 6: Reference hearing threshold levels for test signals of short Duration
    声学 校准测听设备的基准零级 第6部分:短时程测试信号的基准听阈
    China National Standards
    Duration

    English PDF
    GB/T 31291-2014 Standard for evaluation of Duration of load and creep effects of wood and wood-based products
    木材和木基产品的荷载持续时间效应和蠕变性能评定
    China National Standards
    Duration

    English PDF
    GB/T 22050-2008 Footwear - Sampling location, preparation and Duration of conditioning of samples and test pieces
    鞋类 样品和试样的取样位置、准备及环境调节时间
    China National Standards
    Duration

    English PDF
    GB/T 20719.43-2010 Industrial automation systems and integration - Process specification language - Part 43:Definitional extension:Activity ordering and Duration extensions
    工业自动化系统与集成 过程规范语言 第43部分:定义性扩展:活动次序和持续时间扩展
    China National Standards
    Duration

    English PDF
    GB/T 20719.13-2010 Industrial automation system and integration - Process specification language - Part 13: Duration and ordering theories
    工业自动化系统与集成 过程规范语言 第13部分:时序理论
    China National Standards
    Duration

    English PDF

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