NB/T 20259.6-2021 Bill of Quantities Valuation Specifications for Nuclear Power Plant Construction Projects Part 6: Installation Engineering of Automation Control Instruments (English Version)
2021NB/T 20259.6-2021 Bill of Quantities Valuation Specifications for Nuclear Power Plant Construction Projects Part 6: Installation Engineering of Automation Control Instruments
2014NB/T 20259.6-2014 Code of valuation on bill of quantities of nuclear power plant construction works.Part 6: Automatic control instrumentation installation