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A. c. switches for voltages from 3 to 10 kV. General specifications
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Screw contact terminals. Classification. Requirements. Test method
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The hooks for insulators of electrotransmission airial line voltage up to 1000 V, communication airial line and radio network
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Lightning protection system components. Part 5. Requirements for earth electrode inspection housings and earth electrode seals
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Low-voltage fuse-links. Part 4. Supplementary requirements for fuse-links for the protection of semiconductor devices
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