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United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic frequency unloading devices. Norms and requirements
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Dense shaped refractory products. Determination of permanent change in dimensions on heating
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Plywood for general use with outer layers of coniferous veneer. Specifications
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Shunt power self-healing capacitors of the self-healing type for a.c. systems having a rated voltage up to and including 1 kV. Part 1. General. Performance, testing and rating. Safety requirements. Guide for installation and operation
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