GB/T 39140.1-2020.Clamping flanges for diamond circular saw blade-Part 1 :Stone processing. 1范围 GB/T...
GB/T 39140.2-2020 金刚石圆锯片用夹紧卡盘第2部分:建筑施工和土木工程
GB/T 39140.2-2020.Clamping flanges for diamond circular saw blade-Part 2 : Building construction and...
GB/T 17888.1-2020 机械安全 接近机械的固定设施第1部分:固定设施的选择及接近的一般要求
GB/T 17888.1-2020.Safety of machinery-Permanent means of access to machinery-Part 1 :Choice of fixed...
GB/T 17888.3-2020 机械安全接近机械的固定设施第3部分:楼梯、阶梯和护栏
GB/T 17888.3-2020.Safety of machinery-Permanent means of access to machinery-Part 3 :Stairs , stepla...
GB/T 17888.4-2020 机械安全 接近机械的固定设施第4部分:固定式直梯
GB/T 17888.4-2020.Safety of machinery- Permanent means of access to machinery-Part 4:Fixed ladders. ...
GB/T 14048.4-2020 低压开关设备和控制设备第4-1部分:接触器和电动机起动器机电式接触器和电动机起动器(含电动机保护器)
GB/T 14048.4-2020.Low-voltage switchgear and controlgear-Part 4-1 :Contactors and motor-starters-Ele...
GB/T 39088-2020 船舶和海上技术 声响接收系统
GB/T 39088-2020.Ships and marine technology-Sound reception systems. 1范围 GB/T 39088规定了声响接收系统的功能要求、推荐...
GB/T 20645-2021 特殊环境条件高原用低压电器技术要求
GB/T 20645-2021.Specific environmental condition-Technical requirements of low-voltage apparatuses f...
GB/T 18386.1-2021 电动汽车能量消耗量和续驶里程试验方法 第1部分:轻型汽车
GB/T 18386.1-2021.Test methods for energy consumption and range of electric vehicles-Part 1: Light-d...
GB/T 39098-2020 船舶与海上技术 船舶消防员装备(防护服、手套、靴子和头盔)
GB/T 39098-2020.Ships and marine technology-Shipboard fire-fighters' outfits(protective clothing , g...
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