Home / Standards / GB/T 39756-2021 GB/T 39756-2021 Active General specification for the scanning voice reading machine 扫描式语音读书机通用技术条件 Standard Type GBT ICS 11.180.30 CCS C45 Status 现行 Issue Date 2021-03-09 Implementation 2021-03-09 Responsible Dept 民政部 Drafting Unit N/A