NF T46-003-9*NF ISO 48-9:2018 Rubber, vulcanized or thermoplastic - Determination of hardness - Part 9 : calibration and verification of hardness testers
2018NF T46-003-9*NF ISO 48-9:2018 Rubber, vulcanized or thermoplastic - Determination of hardness - Part 9 : calibration and verification of hardness testers