Home / Standards / GB/T 14727-2008 GB/T 14727-2008 Active General specification for the wireless hearing system equipment for the deaf children 无线传输式聋儿听力言语训练设备通用技术条件 Standard Type GBT ICS N/A CCS C45 Status 现行 Issue Date 2008-09-19 Implementation 2009-03-01 Responsible Dept 民政部 Drafting Unit N/A