2020NF G07-121-1*NF EN ISO 12945-1:2020 Textiles - Determination of fabric propensity to surface pilling, fuzzing or matting - Part 1 : pilling box method
2002NF G07-121-1:2002 Textiles - Determination of fabric propensity to surface fuzzing and to pilling - Part 1 : pilling box method.