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AFNOR
NF EN 13941-1+A1
En Vigor
2021-12-15
District heating pipes - Design and installation of thermal insulated
bonded single and twin pipe systems for directly buried hot water - Part
1 : design
AFNOR
NF EN ISO 10675-1
En Vigor
2021-12-15
Non-destructive testing of welds - Acceptance levels for radiographic
testing - Part 1 : steel, nickel, titanium and their alloys
AFNOR
AFNOR
NF EN ISO 21322
En Vigor
2021-12-15
Cosmetics - Microbiology - Testing of impregnated or coated wipes and masks
