GB 7556-87

Characteristic requirements for symmetrical cable 60-channel carrier system for connection to the network

对称电缆60路载波系统进网特性要求

Standard Type

GB

ICS

N/A

CCS

N/A

Status

N/A

Issue Date

N/A

Implementation

N/A

Responsible Dept

N/A

Drafting Unit

N/A