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GB/T 7431-1987 English PDF

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 7431-1987EnglishRFQ ASK 3 days [Need to translate] Transmission objectives and their testing methods for crossbar local automatic telephone exchange Obsolete GB/T 7431-1987

Standard similar to GB/T 7431-1987

GB/T 51033   GB/T 50856   GB/T 50082   

Basic data

Standard ID GB/T 7431-1987 (GB/T7431-1987)
Description (Translated English) Transmission objectives and their testing methods for crossbar local automatic telephone exchange
Sector / Industry National Standard (Recommended)
Date of Issue 3/17/1987