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Non-self-ballasted single-capped LED-lamps for general lighting. Performance requirements
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Nontraditional power engineering. Solar photovoltaic modules. Types and basic parameters
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Batteries of cylindrical manganese-zinc cells based on electrolyte. Specification
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Explosive atmospheres. Part 2. Equipment protection by pressurized enclosure 'p'
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Non-linear resistor type arresters for rated a.c. voltages from 3,8 to 600 kV. General technical specifications
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