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AFNOR
NF EN 1834-1
En Vigor
2000-04-01
Reciprocating internal combustion engines - Safety requirements for
design and construction of engines for use in potentially explosive
atmospheres - Part 1 : group II engines for use in flammable gas and
vapour atmospheres
AFNOR
NF EN 1117
En Vigor
1998-11-01
Heat exchangers - liquid cooled refrigerant condensers - Test procedures
for establishing the performance
AFNOR
AFNOR
NF EN 16714-2
En Vigor
2016-10-28
Non-destructive testing - Thermographic testing - Part 2 : equipment
