GB/T 39957-2021.High pressure metal die casting units-Technical requirements.1范围GB/T 39957规定了高压铸造压铸单元的技术要求、运转要求、检验方法、检验规...
GB/T 39962-2021.Die casting machine-Energy efficiency limits and energy efficiency rating.1范围GB/T 39962规定了冷室压铸机和热室压铸机能效限定值及能效等级的术...
GB/T 39140.1-2020.Clamping flanges for diamond circular saw blade-Part 1 :Stone processing.1范围GB/T 39140的本部分规定了金刚石圆锯片用夹紧卡盘的类型和尺寸、...
GB/T 39140.2-2020.Clamping flanges for diamond circular saw blade-Part 2 : Building construction and civil engineering.1范围GB/T 39140的本部分规定了金刚石圆锯片用夹紧...
GB/T 17888.1-2020.Safety of machinery-Permanent means of access to machinery-Part 1 :Choice of fixed means and general requirements of access.1范围GB/T 17888的本部分规定了接...
GB/T 17888.3-2020.Safety of machinery-Permanent means of access to machinery-Part 3 :Stairs , stepladders and guard-rails.1范围GB/T 17888的本部分规定了作为固定式机器组...
GB/T 17888.4-2020.Safety of machinery- Permanent means of access to machinery-Part 4:Fixed ladders.1范围GB/T 17888的本部分规定了作为固定式机器组成部分的固定式直...
GB/T 14048.4-2020.Low-voltage switchgear and controlgear-Part 4-1 :Contactors and motor-starters-Electromechanical contactors and motor-starters( Including motor protector).1范围G...
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、推荐的安装和性能试验,给出了满足功能要...
GB/T 20645-2021.Specific environmental condition-Technical requirements of low-voltage apparatuses for plateau.1范围GB/T 20645规定了高原环境下低压电器共有的补充技术...
