Cover image for Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators
Title:
Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators
General Note:
A draft amendment to BS 6789 : Part 7 : 1988

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30000003554163 PIA BS PD 6566 : 1992 Closed Access Book Standard
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