铁路信号技术中采用电子元器件时应遵循的主要安全条件
The more important safety conditions to be observed in the use of electronic components in railway signalling techniques
标准状态
发布于：1989-03-22
实施于：1989-10-01
已废止
基本信息
内容预览
The more important safety conditions to be observed in the use of electronic components in railway signalling techniques