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IEC 60839-7-12/FRAGF ED1

Alarm systems - Part 7-12: Message formats and protocols for serial data interfaces in alarm transmission systems - PTT interfaces for dedicated communications channels using ITU-T Recommendation V.23 signalling IEC 60839-7-12/FRAGF ED1

General information

30.97   End of interruption of work - split/merged   Nov 21, 2001

IEC

TC 79

International Standard

Life cycle

NOW

ABANDON
IEC 60839-7-12/FRAGF ED1
30.97 End of interruption of work - split/merged
Nov 21, 2001




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