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AFNOR
NF EN ISO 24803
En Vigor
2017-06-24
Recreational diving services — Requirements for recreational diving providers
AFNOR
AFNOR
NF EN 15875
En Vigor
2011-12-01
Characterization of waste - Static test for determination of acid
potential and neutralisation potential of sulfidic waste
AFNOR
NF X31-510
En Vigor
1993-09-01
Soil quality. Determination of density of clods. Paraffin coating method.










