Regulatory document on standardization. Procedural guidelines. Quality standard for heating and make-up water of hot-water boilers, organization of water chemistry and chemical control
Document status: Active
Standard instruction for metering electricity in its production, transmission and distribution
Document status: Active
Regulatory document. Water hardness. Measurement technique using trilon B titrimetric method
Document status: Active
Guidelines on the protection of 6-1150 kV electrical circuits against lightning and internal overvoltages. All 3 parts
Document status: Active
Technological design standards. Urban and rural telephone networks (NTP 112-2000)
Document status: Active
