GB/Z 35850.3-2021
电梯、自动扶梯和自动人行道安全相关的可编程电子系统的应用第3部分:PESSRAL和PESSRAE相关的可编程电子系统的生命周期指南
Programmable electronic systems in safety-related applications for lifts(elevators),escalators and moving walks—Part 3:Life cycle guideline for programmable electronic systems related to PESSRAL and P