IEC: 255 - 21 - 1 - 1988; Electrical relays Part21 Vibration, shock, bump and seismic tests on mesasuring relays and protection equipment Sec.1 Vibration tests (sinusoidal)
IEC: 255 - 21 - 1 - 1988; Electrical relays Part21 Vibration, shock, bump and seismic tests on mesasuring relays and protection equipment Sec.1 Vibration tests (sinusoidal)
- Geneva IEC 1988
- 23p
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