Data Transmission Devices With Plc Data Transmission Function For Single-Transformer Tps And Data Transmission Devices With Plc Data Transmission Function For Two-Transformer Tps (Investment Program Of Jsc "Prykarpattiaoblenergo" Clauses 2.1.4.1.2, 2.1.1.1.1, 2.1.1.3.1, 2.1.1.4.1, 2.1.4.2.1, 2.1.4.1.3 Ip 2026)