GB/T 7588.2-2020电梯制造与安装安全规范第2部分:电梯部件的设计原则、计算和检验标准
英文:Safety rules for the construction and installation of lifts—Part 2: Design rules, calculations, examinations and test...
英文:Safety rules for the construction and installation of lifts—Part 2: Design rules, calculations, examinations and test...