Home / Standards / GB/T 28507-2012 GB/T 28507-2012 Active Description guidelines for voice exhibition of web documents 互联网文本语音展现通用描述规范 Standard Type GBT ICS 33.020 CCS M04 Status 现行 Issue Date 2012-06-29 Implementation 2012-10-01 Responsible Dept 工业和信息化部(通信) Drafting Unit N/A