DIN EN 820-1:2003 Advanced technical ceramics - Methods of testing monolithic ceramics; Thermo-mechanical properties - Part 1: Determination of flexural strength at elevated temperatures; German version EN 820-1:2002
2003DIN EN 820-1:2003 Advanced technical ceramics - Methods of testing monolithic ceramics; Thermo-mechanical properties - Part 1: Determination of flexural strength at elevated temperatures; German version EN 820-1:2002