SAC - GB/T 5442-85

The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network

inactive, Most Current
Organization: SAC
Publication Date: 30 October 1985
Status: inactive

Document History

GB/T 5442-85
October 30, 1985
The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network
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