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Electrical apparatus for explosive gas atmospheres. Part 16. Artificial ventilation for the protection of analyzer(s) houses
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Short circuit in electrical installations. Calculation methods of thermit and electrodynamic effects short circuit currents
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Electrical apparatus for explosive gas atmospheres. Part 5. Powder filling 'q'
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Luminaries. Part 2. Particular requirements. Section 6. Luminaries with built-in transformers for filament lamps
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Alternating current disconnectors and earthing switches for voltage above 1 kV and operating mechanisms for them. General specifications
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