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AFNOR
NF EN 307
En Vigor
1998-11-01
Heat exchangers - Guidelines to prepare installation, operating and
maintenance instructions required to maintain the performance of each
type of heat exchanger
AFNOR
NF EN 61290-3
Anulada
2013-01-26
Optical fibre amplifiers - Basic specification - Part 3 : test methods
for noise figure parameters
AFNOR
AFNOR
NF EN IEC 61753-061-2
En Vigor
2020-05-29
Fibre optic interconnecting devices and passive components - Performance
standard - Part 061-2 : single-mode fibre optic pigtailed style
polarization independent isolators for category C - Controlled environments
