Home / Standards / GB/T 13142-1991 GB/T 13142-1991 Active Extension of the Latin alphabet coded character set for bibliographic information interchange 书目信息交换用拉丁字母代码字符扩充集 Standard Type GBT ICS 35.040 CCS L71 Status 现行 Issue Date 1991-08-30 Implementation 1992-04-01 Responsible Dept 国家标准委 Drafting Unit N/A