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Database: 189760 (11 Oct 2025)
NB/T 20039.12-2023 English PDF
NB/T 20039.12: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
NB/T 20039.12-2023
English
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3 days [Need to translate]
(Nuclear air and gas handling practices - Ventilation, air conditioning and air cleaning - Part 12: Iodine adsorbers (Type II))
Valid
NB/T 20039.12-2023
NB/T 20039.12-2011
English
639
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4 days [Need to translate]
Code on nuclear air and gas treatment. Ventilation, air conditioning and air cleaning. Part 12: Iodine adsorber (type Ⅱ)
Obsolete
NB/T 20039.12-2011
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Basic data
Standard ID
NB/T 20039.12-2023 (NB/T20039.12-2023)
Description (Translated English)
(Nuclear air and gas handling practices - Ventilation, air conditioning and air cleaning - Part 12: Iodine adsorbers (Type II))
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
F69
Classification of International Standard
27.120.20
Date of Issue
2023-05-26
Date of Implementation
2023-11-26
Issuing agency(ies)
National Energy Administration