Glass in building - Basic soda-lime silicate glass products - Part 1: Definitions and general physical and mechanical properties; German version EN 572-1:2012+A1:2016— 15 стр.
Glass in building - Basic alumino silicate glass products - Part 1: Definitions and general physical and mechanical properties; German version EN 15681-1:2016— 21 стр.
Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 4: Vickers, Knoop and Rockwell superficial hardness; German version EN 843-4:2005— 24 стр.