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Electrotechnical engineering regulations. Safety regulations for attendance and operation on highvoltage-gas insulated metal enclosed switchboards sf6 for rated voltage of 52 kV and above
STANDARD published on 14.4.1989
Designation standards: ČSN 331335
Classification mark: 331335
Catalog number: 23346
Note: WITHDRAWN
Publication date standards: 14.4.1989
SKU: NS-123154
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Latest update: 2025-05-26 (Number of items: 2 201 804)
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