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Nickel. Cobalt. Method for determination of tin
Document status: Replaced by GOST 13047.15-2014
Reinforced concrete blocks for ventilation. Specifications
Document status: Active
Countersunk stops with a twist spring hole. Design and dimensions
Document status: Active
United power system and isolated power systems. Relay protection. Inductive measuring current transformers for protection with a closed magnetic circuit. Methodology guidelines for determination of time to saturation during short circuits
Document status: Active