Electric contact connections. Classification. General technical requirements
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Non-resonant spark gaps. Main parameters
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Low frequency rectifier filter chokes. Basic parameters
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Control electromagnets. General specifications
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Power push-button switches and push-button control stations. General specifications
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Pushbutton switches and indicating lights low voltage. Overall and fixing dimensions
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The switches for electric appliances. General safety requirements and methods of tests
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Vacuum switches and multiway switches for high-frequency current. Terms and definitions
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Non-contact route switchgears (control gears). General technical requirements
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Power track (limit) switches. General specifications
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Low-voltage surge protective devices. Part 1. Surge protective devices connected to low-voltage power distribution systems. Technical requirements and test methods
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Switches for electrical appliances. Part 1. General requirements and test methods
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