NF T31-130-1*NF EN ISO 18473-1:2018 Functional pigments and extenders for special applications - Part 1 : canoscale calcium carbonate for sealant application
2018NF T31-130-1*NF EN ISO 18473-1:2018 Functional pigments and extenders for special applications - Part 1 : canoscale calcium carbonate for sealant application