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General-purpose oil-immersed power transformers of 110 and 220 kV and autotransformers 27,5 kV for electric a. c. railway. General specifications
Document status: Replaced by GOST R 51559-2022
Flexible PVC for insulation and protective jackets of wires and cables. Specifications
Document status: Active
Electrical relays. Part 16. Impedance measuring relays
Document status: Active
Enamelled round wires. Method of test for springiness
Document status: Active
PE insulated rubber sheathed control cables. Specifications
Document status: Active