GB/T 30559.3-2017电梯、自动扶梯和自动人行道的能量性能第3部分:自动扶梯和自动人行道的能量计算与分级国家标准
英文:Energy performance of lifts, escalators and moving walks – Part 3: Energy calculation and classification of esc...
英文:Energy performance of lifts, escalators and moving walks – Part 3: Energy calculation and classification of esc...