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Winding wires. Test methods. Part 4. Electrical properties
Document status: Active
Low-voltage fuses. Part 2-1. Supplementary requirements for fuses for industrial application. Section 1-3
Document status: Cancelled
Reciprocating internal combustion engine driven alternating current generating sets. Part 12. Emergency power supply to safety services
Document status: Active
Cross-overs section insulators frogs for tramway and trolleybus catenary suspensions. General specifications
Document status: Active
Gate-type shut off valves for steam electric stations. Types and main parameters
Document status: Active
Low-voltage surge protective devices. Part 1. Surge protective devices connected to low-voltage power distribution systems. Requirements and test methods
Document status: Active