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AFNOR
NF EN IEC 61158-4-2
En Vigor
2023-04-14
Industrial communication networks - Fieldbus specifications - Part 4-2 :
data-link layer protocol specification - Type 2 elements
AFNOR
NF T90-431
Anulada
2014-11-01
Water quality - Detection and enumeration of Legionella spp and
Legionella pneumophilia - Method by direct inoculation and after
concentration by membrane filtration of centrifugation
AFNOR
NF EN ISO 18635
En Vigor
2017-08-26
Water quality - Determination of short-chain polychlorinated alkanes
(SCCPs) in sediment, sewage sludge and suspended (particulate) matter -
Method using gas chromatography-mass spectrometry (GC-MS) and electron
capture negative ionization (ECNI)
AFNOR
NF L22-159
En Vigor
1975-01-01
Slotted raised 120 degrees countersunk head screws with cone point. Sim
thread (rech.).
