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AFNOR
NF EN 61249-2-1
En Vigor
2005-06-01
Materials for printed boards and other interconnecting structures - Part
2-1 : reinforced base materials, clad and unclad - Phenolic cellulose
paper reinforced laminated sheets, economic grade, copper-clad
AFNOR
NF EN 50243
En Vigor
2022-08-05
Outdoor bushings for 24 kV and 36 kV and for 5 kA and 8 kA, for liquid
filled transformers
AFNOR
NF EN 61481-1
En Vigor
2015-02-07
Live working - Phase comparators - Part 1 : capacitive type to be used
for voltages exceeding 1 kv a.c.
AFNOR
NF EN IEC 60793-2-50
En Vigor
2025-06-20
Optical fibres - Part 2-50: Product specifications - Sectional
specification for class B single-mode fibres
