NF T30-905-2*NF EN ISO 20567-2:2017 Paints and varnishes - Determination of stone-chip resistance of coatings - Part 2 : single-impact test with a guided impact body
2017NF T30-905-2*NF EN ISO 20567-2:2017 Paints and varnishes - Determination of stone-chip resistance of coatings - Part 2 : single-impact test with a guided impact body