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AFNOR
NF L22-552
En Vigor
1985-02-01
Self-locking anchor nuts, single lug with two holes. Classification 900
MPa/235 degrees C and 425 degrees C. ISO thread.
AFNOR
NF EN 14962
En Vigor
2006-09-01
Water quality - Guidance on the scope and selection of fish sampling methods
AFNOR
NF M88-782
En Vigor
2025-11-12
Regulators supplied with propane or natural gas for decentralised
heating installations
AFNOR
XP ISO/TS 21361
En Vigor
2025-09-10
Nanotechnologies — Method to quantify air concentrations of carbon black
and amorphous silica in the nanoparticle size range in a mixed dust
manufacturing environment
