DIN ISO 48-9:2021-02 Rubber, vulcanized or thermoplastic - Determination of hardness - Part 9: Calibration and verification of hardness testers (ISO 48-9:2018)
2021DIN ISO 48-9:2021 Rubber, vulcanized or thermoplastic - Determination of hardness - Part 9: Calibration and verification of hardness testers (ISO 48-9:2018)