ICS 13.080.20; 93.020. Zmiana do Normy Europejskiej EN ISO 17892-12:2018-08/A1:2021 Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of liquid and plastic limits - Amendment 1 (ISO 17892-12:2018/Amd 1:2021) ma status Polskiej Normy.