BS 6450-7:1984
Superseded Standard
Historical

BS 6450-7:1984

Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators Specification the procedure of in-service observation PBXs undergoing type approval
Most recent standard
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Technical characteristics

Publisher British Standards Institution (BSI)
Publication Date 09/30/1988
Cancellation Date 10/31/1990
Page Count 0
Themes Approval testing
EAN ---
ISBN ---
Weight (in grams) ---
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