Safety of machinery - Basic concepts, general principles for design - Part 2: Technical principles and specifications; German version EN 292-2:1991 + A1:1995— 47 стр.
Aerospace series - Steel FE-PA3004 (X10CrNi18-09) - Air melted - Non heat treated - Cold drawn wire - a or D <kleiner => 2,3 mm; German and English version EN 2947:2006— 14 стр.