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Electrical insulating paper for winding. Specifications
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Low-voltage switchgear and controlgear. Part 5-4. Control circuit devices and switching elements. Method of assessing the performance of low-energy contacts. Special tests
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Conduit systems for cable management. Part 24. Conduit systems buried underground
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Adjustable speed electrical power drive systems. Part 2. General requirements. Rating specifications for low voltage adjustable frequency a.c. power drive systems
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Industrial gas-using equipment. Air heaters. Test methods
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Auxiliaries for lamps. A.c.-Supplied electronic ballasts for tubular fluorescent lamps. Performance requirements
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