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NB/T 47019.1-2021

Chinese Standard: 'NB/T 47019.1-2021'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
NB/T 47019.1-2021English559 Add to Cart Days<=5 (Technical requirements for ordering boiler and heat exchanger tubes Part 1: General rules) NB/T 47019.1-2021 Valid NB/T 47019.1-2021

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