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Inductor and transformer cores for telecommunication. Part 3. Blank detail specification magnetic oxide cores for broad-band transformers assessment levels A and B
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Electrical articles. Operating conditions as to environment mechanical aspects influence
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High frequency magnet malleable materials. Testing methods at the range from 10 kc/s to 1 mc
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Explosive atmospheres. Part 6. Equipment protection by liquid immersion 'o'
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Luminaries. Part 2. Particular requirements. Section 6. Luminaries with built-in transformers for filament lamps
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Explosionproof electrical apparatus. Part 7. Type of protection e
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