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.
Surgical and dental hand instruments - Determination of resistance against autoclaving, corrosion and thermal exposure (ISO 13402:1995); German version EN ISO 13402:2000— 7 стр.