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AFNOR
NF L22-564
En Vigor
1985-02-01
Gang channel self-locking nuts classification 900 MPa/120 degrees C and
235 degrees C. ISO thread.
AFNOR
NF ISO 13579-2
En Vigor
2013-04-13
Industrial furnaces and associated processing equipment -- Method of
measuring energy balance and calculating efficiency -- Part 2: Reheating
furnaces for steel
AFNOR
NF EN IEC 61558-2-8
En Vigor
2025-03-14
Safety of transformers, reactors, power supply units and combinations
thereof - Part 2-8 : particular requirements and tests for transformers
and power supply units for bells and chimes
AFNOR
