GB/T 26257-2010

Active

The requirements of hearing aids compatibility and measurement methods for telephone handset

手柄电话助听器耦合技术要求和测量方法

Standard Type
GBT
ICS
33.050.10
CCS
M40
Status
现行
Issue Date
2011-01-14
Implementation
2011-06-01
Responsible Dept
工业和信息化部（通信）
Drafting Unit
N/A