GB/T 34994.1-2017教育卡应用规范第1部分:教育卡技术要求国家标准
英文:Application specifications for education card—Part 1: Technical requirements for education card GB/T 34994.1-2017介绍: ...
英文:Application specifications for education card—Part 1: Technical requirements for education card GB/T 34994.1-2017介绍: ...