ISO 11553-3:2013
机械安全性.激光加工机械.第3部分:激光加工机械和手持式加工设备及相关辅助设备用噪声降低和噪声测量方法(精度等级2)
Safety of machinery - Laser processing machines - Part 3: Noise reduction and noise measurement methods for laser processing machines and hand-held processing devices and associated auxiliary equipment (accuracy grade 2)