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Lamp caps and holders for light sources together with gauges for the control of interchangeability and safety. Part 4. Guidelines and general information
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Radio-frequency cable type PK 75-13-11. Specifications
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Electric filament lamps for general purpose. Specifications
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Fuel cell technologies. Part 3-300. Stationary fuel cell power systems. Installation
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Electric motor frequency convertors with rated power up to 200 kW and frequency to 20000 Hz. Test methods
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