2018DIN EN ISO 4506:2018 Hardmetals - Compression test (ISO 4506:2018); German version EN ISO 4506:2018
1991DIN ISO 4506:1991 Hardmetals; compression test; identical with ISO 4506:1979
0000 DIN ISO 4506:1989
DIN ISO 4506:1991 Hardmetals; compression test; identical with ISO 4506:1979 was changed to DIN EN ISO 4506:2018 Hardmetals - Compression test (ISO 4506:2018); German version EN ISO 4506:2018.