GB/T 38042-2019表面清洁器具带有或不带有牵引驱动的商用地板处理机性能测试方法国家标准
英文:Surface cleaning appliances—Floor treatment machines with or without traction drive, for commercial use—Methods of me...
英文:Surface cleaning appliances—Floor treatment machines with or without traction drive, for commercial use—Methods of me...