Low-voltage switchgear and controlgear. Part 5. Control circuit devices and switching elements. Section 1. Electromechanical control circuit devices
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Rotating electrical machines of middle size. Mounting dimensions
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Coolers of air-cooling system of power semiconducting devices. General specifications
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Static rectifiers for railway power supply devices. Safety requirements and control methods
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Photovoltaic devices. Part 10. Methods of linearity measurement
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