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Series rated voltages of direct and alternating current

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Cables. Protecting coverings. Specification

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Copper winding wires with thermoreactive bonding. Technical requirements

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Phenol impregnated cellulose paper foil-clad electrical insulating material of rated combustibility for printed plates. Specifications

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Water-tube boilers and auxiliary installations. Part 4. In-service boiler life expectancy calculations

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Hydraulic turbines, storage pumps and pump-turbines. Tendering documents. Part 1. General and annexes

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