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AFNOR
AFNOR
NF S21-013
En Vigor
1968-04-01
Photography. General-purpose coloured photographic papers. Standard
sheet dimensions.
AFNOR
NF ISO 20658
En Vigor
2023-06-21
Requirements for the collection and transport of samples for medical
laboratory examinations
AFNOR
NF EN 17864
En Vigor
2023-12-13
Inorganic fertilizers - Determination of nitrogen content in IBDU
(isobutylidenediurea) and CDU (crotonylidenediurea)










