GB/T 15566.1-2020公共信息导向系统设置原则与要求第1部分:总则标准
英文:Public information guidance system—Setting principles and requirements—Part 1: General principles GB/T 15566.1-2020介绍...
英文:Public information guidance system—Setting principles and requirements—Part 1: General principles GB/T 15566.1-2020介绍...