DIN EN 993-7:1998 Methods of test for dense shaped refractory products - Part 7: Determination of modulus of rupture at elevated temperatures; German version EN 993-7:1998
1998DIN EN 993-7:1998-12 Methods of test for dense shaped refractory products - Part 7: Determination of modulus of rupture at elevated temperatures; German version EN 993-7:1998
1998DIN EN 993-7:1998 Methods of test for dense shaped refractory products - Part 7: Determination of modulus of rupture at elevated temperatures; German version EN 993-7:1998