Home / Standards / GB/T 14185-1993 GB/T 14185-1993 Active General specification for language learning systems 语文学习系统通用技术条件 Standard Type GBT ICS 33.020 CCS M71 Status 现行 Issue Date 1993-02-20 Implementation 1993-10-01 Responsible Dept 国家标准委 Drafting Unit N/A