GB/T 7254-1995
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 7254-1995
Performanceand methods of the second order digital multiplex equipment operating at 8448 kbit/s and using positive justification 8448 kbit/s正码速调整二次群数字复用设备技术要求和测试方法
Issued Date:1995-04-06
Implemented Date:1995-12-01
Issued by:
The Standardization Administration of the People's Republic of China