Normas AFNOR
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AFNOR
NF DTU 40.44 P1-1
En Vigor
2007-07-01
Building works - Roof covering made of stainless steel sheet and long
sheet - Part 1-1 : technical specifications
AFNOR
NF EN 14591-4
En Vigor
2007-09-01
Explosion prevention and protection in underground mines - Protective
systems - Part 4 : automatic extinguishing systems for road headers
AFNOR
AFNOR
NF DTU 68.3 P1-1-4
En Vigor
2017-04-29
DTU 68-3 - Building works - Mechanical ventilation systems - Part 1-1-4
: controlled and automatically adjustable fan-assisted balanced
ventilation - Calculation rules, design and installation
