DIN ISO 48-4 E:2020-08 Rubber, vulcanized or thermoplastic - Determination of hardness - Part 4: Indentation hardness by durometer method (Shore hardness)
2021DIN ISO 48-4:2021 Rubber, vulcanized or thermoplastic - Determination of hardness - Part 4: Indentation hardness by durometer method (Shore hardness) (ISO 48-4:2018)
1970DIN ISO 48-4 E:2020-08 Rubber, vulcanized or thermoplastic - Determination of hardness - Part 4: Indentation hardness by durometer method (Shore hardness)