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| 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 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 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 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 |
| 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 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 |
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