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AFNOR
NF EN 60774-5
En Vigor
2005-01-01
Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic
tape on type VHS - Part 5 : D-VHS
AFNOR
NF EN 61850-6/A2
En Vigor
2025-01-17
Communication networks and systems for power utility automation - Part 6
: configuration description language for communication in in power
utility automation systems related to IEDs
AFNOR
NF EN 61580-3
En Vigor
1998-02-01
Methods of measurement for waveguides. Part 3 : variation of group delay.
AFNOR
NF EN 50136-1/A1
En Vigor
2018-11-02
Alarm systems - Alarm transmission systems and equipment - Part 1 :
general requirements for alarm transmission systems
