• BS 6328-7:1990

BS 6328-7:1990

Apparatus for connection to private circuits run by certain public telecommunication operators.-Specification for apparatus for connection to digital circuits according to CCITT Recommendation X.21 bis

BSI Group , 12/31/1990

Publisher: BS

File Format: PDF

$80.00$160.02


BS 6328-7:1990 History

BS 6328-7:1993

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BS 6328-7:1990

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