GB/T 3377-1982 Multifrequency register signalling system for telephone automatic switching network

Standard Number: GB/T 3377-1982
Chinese:电话自动交换网多频记发器信号方式
English:Multifrequency register signalling system for telephone automatic switching network

Effective Date:1983-10-01
Regulatory Authority:Ministry of Industry and Information Technology（通信）
Issuing Regulatory Authority:National Bureau of Standards

Adheres to international standards:N
PDF Downloadable:Y

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