GB 12048-1989

Abolished

Requirements for clock and synchronization equipment used in the digital network

数字网内时钟和同步设备的进网要求

Standard Type
GB
ICS
33.040.40
CCS
M13
Status
废止
Issue Date
1989-12-29
Implementation
1990-07-01
Responsible Dept
工业和信息化部（通信）
Drafting Unit
N/A