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AFNOR
NF EN 61834-1
En Vigor
1999-01-01
Recording. Helical-scan digital video cassette recording system using
6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and
1250-50 systems). Part 1 : general specifications.
AFNOR
NF EN 17120
En Vigor
2019-02-20
Photocatalysis - Water purification - Performance of photocatalytic
materials by measurement of phenol degradation
AFNOR
NF EN 50157-2-3
En Vigor
1999-08-01
Domestic and similar electronic equipment interconnection requirements :
AV.link. Part 2-3 : system oriented application.
AFNOR
