2010DIN EN ISO 3908:2010-02 Hardmetals - Determination of insoluble (free) carbon - Gravimetric method (ISO 3908:2009); German version EN ISO 3908:2009
2010DIN EN ISO 3908:2010 Hardmetals - Determination of insoluble (free) carbon - Gravimetric method (ISO 3908:2009); German version EN ISO 3908:2009
0000 DIN EN ISO 3908:2007
1991DIN ISO 3908:1991 Hardmetals; determination of insoluble (free) carbon content; gravimetric method; identical with ISO 3908:1985