GB/T 15566.4-2020公共信息导向系统设置原则与要求第4部分:公共交通车站标准
英文:Public information guidance systems—Setting principles and requirements—Part 4: Public transport station GB/T 15566.4...
英文:Public information guidance systems—Setting principles and requirements—Part 4: Public transport station GB/T 15566.4...