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ITU-T K.12 (10/1976)

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Specification clauses for the requirements to be met by gas discharge protectors for the protection of telecommunication installations
Citation: http://handle.itu.int/11.1002/1000/10056
Approval date: 1976-10-08
Approval process:WTSA
Status: Superseded
Maintenance responsibility: ITU-T Study Group 5
Further details: Patent statement(s)
Ed. ITU-T Recommendation Status Summary Table of Contents Download
9 K.12 (05/2010) In force
here
here
here
8 K.12 (02/2006) Superseded
here
here
here
7 K.12 (02/2000) Superseded
here
here
here
6 K.12 (05/1995) Superseded - - here
5 K.12 (11/1988) Superseded -
here
here
4 K.12 (10/1984) Superseded - - Not available
3 K.12 (07/1981) Superseded - - Not available
2 K.12 (11/1980) Superseded - - Not available
1 K.12 (10/1976) Superseded - - Not available