PD 6646:1999
Withdrawn Specification
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PD 6646:1999

PNO-ISC specification number 001. Use of SS No. 7 point codes for network interconnect in the UK
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Technical characteristics

Publisher British Standards Institution (BSI)
Publication Date 09/15/1999
Cancellation Date 11/01/2002
Page Count 14
Themes Telecommunication transmission methods
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ISBN ---
Weight (in grams) ---
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