Home / Standards / GB/T 29271.4-2019 GB/T 29271.4-2019 Active Identification cards—Integrated circuit card programming interfaces—Part 4: Application programming interface (API) administration 识别卡 集成电路卡编程接口 第4部分：应用编程接口（API）管理 Standard Type GBT ICS 35.240.15 CCS L64 Status 现行 Issue Date 2019-08-30 Implementation 2020-03-01 Responsible Dept 国家标准委 Drafting Unit N/A