Tungsten filament lamps for domestic and similar general lighting purposes; performance requirements (IEC 60064:1987, 5th edition and amendment No 1:1988); german version EN 60064:1989— 15 стр.
Tungsten filament lamps for domestic and similar general lighting purposes; performance requirements (IEC 60064:1987, 5th edition and amendment No 1:1988); german version EN 60064:1989— 15 стр.