Monolithic (unshaped) refractory products - Part 8: Determination of complementary properties (ISO 1927-8:2012); German version EN ISO 1927-8:2012— 12 стр.
Insulating refractory products - Part 1: Terminology, classification and methods of test for high temperature insulation wool products; German version EN 1094-1:2008— 24 стр.