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AFNOR
NF T90-413
En Vigor
1985-10-01
Testing water - Detection and enumeration of coliforms and
thermotolerant coliforms - General method by culture in liquid media (M.P.N.)
AFNOR
AFNOR
NF EN IEC 60664-1/A1
En Vigor
2025-06-20
Insulation coordination for equipment within low-voltage supply systems
- Part 1 : principles, requirements and tests
AFNOR
NF EN ISO 21920-3
En Vigor
2022-01-19
Geometrical product specifications (GPS) - Surface texture : profile -
Part 3 : specification operators










