DIN EN 60255-21-1:1996-05
Действует
Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment; section 1: Vibration tests (sinusoidal) (IEC 60255-21-1:1988); German version EN 60255-21-1:1995
— 7 стр.
