Metallic materials - Rockwell hardness test - Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T) (ISO 6508-1:2005); German version EN ISO 6508-1:2005— 35 стр.
Assembly tools for screws and nuts - Drive ends for hand- and machine-operated screwdriver bits and connecting parts - Dimensions, torque testing (ISO 1173:2001)— 12 стр.
