Aerospace series - Test methods for transparent materials for aircraft glazing - Part 12: Determination of linear thermal expansion; German version EN 2155-12:1997— 7 стр.
Poly(methyl methacrylate) sheets - Types, dimensions and characteristics - Part 1: Cast sheets (ISO 7823-1:1991); German version EN ISO 7823-1:1996— 7 стр.
