Glass in building - Basic soda lime silicate glass products - Part 1: Definitions and general physical and mechanical properties; German version EN 572-1:1994— 6 стр.
Glass in building - Basic soda lime silicate glass products - Part 1: Definitions and general physical and mechanical properties; German version EN 572-1:2004— 11 стр.
Glass in building - Basic soda lime silicate glass products - Part 1: Definitions and general physical and mechanical properties; German version EN 572-1:1994— 6 стр.