Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
NB/T 47019.1-2021 | English | 649 |
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5 days [Need to translate]
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(Technical requirements for ordering boiler and heat exchanger tubes Part 1: General rules)
| Valid |
NB/T 47019.1-2021
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