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sklademVydáno: 1993-01-19
UNE 21136-20:1993
ELECTRICAL RELAYS. PROTECTION (PROTECTIVE) SYSTEMS.
Relés eléctricos. Sistemas de protección.
CURRENCY
| Označení normy: | UNE 21136-20:1993 |
| Počet stran: | 25 |
| Vydáno: | 1993-01-19 |
| Status: | Norma |
DESCRIPTION
This standard UNE 21136-20:1993 ELECTRICAL RELAYS. PROTECTION (PROTECTIVE) SYSTEMS. is classified in these ICS categories:
- 29.120.70
Categories: