GB/Z 41297-2022基于M2M技术的旅游信息服务总体技术要求标准
英文:General technical requirements for tourism informatization service based on M2M technology GB/Z 41297-2022介绍: 国家标准《基于...
英文:General technical requirements for tourism informatization service based on M2M technology GB/Z 41297-2022介绍: 国家标准《基于...