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Bezpečnosť elektrotepelných zariadení. Časť 21: Osobitné požiadavky na odporové ohrievacie zariadenia. Zariadenia na ohrev a tavenie skla (Norma na priame používanie ako STN).
Automatically translated name:
Safety electrothermal equipment. Part 21: Particular requirements for resistance heating equipment. Apparatus for heating and melting glass (IEC STN).
STANDARD published on 1.6.2009
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Designation standards: STN EN 60519-21
Classification mark: 335002
Catalog number: 108487
Note: WITHDRAWN
Publication date standards: 1.6.2009
SKU: NS-527324
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Slovak technical standard
Category: Technical standards STN
Latest update: 2026-04-02 (Number of items: 2 270 295)
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