Respiratory protective devices - Powered filtering devices incorporating a helmet or a hood - Requirements, testing, marking; German version EN 12941:1998+A1:2003+A2:2008— 67 стр.
Aerospace series - Steel FE-PL1502 (25CrMo4) - Annealed - Sheet and strip - 0,3 mm <kleiner => a <kleiner => 2 mm - For prevailing torque nuts; German and English version EN 2543:2009— 14 стр.