Stationary lead-acid batteries - Part 21: Valve regulated types - Methods of test (IEC 60896-21:2004); German version EN 60896-21:2004, Corrigenda to DIN EN 60896-21:2004-12— 2 стр.
Guide for procurement of power station equipment - Part 2-2: Electrical equipment; uninterruptible power supplies; German version EN 45510-2-2:1999— 18 стр.
Guide for procurement of power station equipment - Part 2-3: Electrical equipment; stationary batteries chargers; German version EN 45510-2-3:2000— 29 стр.
Secondary cells and batteries for solar photovoltaic energy systems - General requirements and methods of test (IEC 61427:1999); German version EN 61427:2001— 18 стр.
