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ITU-T Q.442

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ITU-T Q.442

Interregister signalling; Pulse transmission of backward signals A-3, A-4, A-6 or A-15

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$25.00

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Author ITU
Editor ITU
Document type Standard
Format File
ICS 33.040.40 : Data communication networks
Number of pages 2
Year 1980
Document history
Country Switzerland
Keyword CCITT Q.442;ITU-T 442;442