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ITU-T S.9

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ITU-T S.9

Switching equipment of start-stop apparatus

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$12.50

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$25.00

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This Recommendation contains provisions regarding

Author ITU
Editor ITU
Document type Standard
Format File
ICS 33.020 : Telecommunications in general
Number of pages 2
Year 1980
Document history
Country Switzerland
Keyword CCITT S.9;ITU-T 9;9;ITU-T S.9