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Database: 189760 (18 Oct 2025)
NB/T 20037.4-2021 English PDF
NB/T 20037.4: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
NB/T 20037.4-2021
English
RFQ
ASK
3 days [Need to translate]
(Level 1 probabilistic safety assessment applied to nuclear power plants - Part 4: Internal fires during power operation)
Valid
NB/T 20037.4-2021
NB/T 20037.4-2013
English
RFQ
ASK
8 days [Need to translate]
Probabilistic safety assessment for nuclear power plant applications. Part 4: Fire
Obsolete
NB/T 20037.4-2013
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Basic data
Standard ID
NB/T 20037.4-2021 (NB/T20037.4-2021)
Description (Translated English)
(Level 1 probabilistic safety assessment applied to nuclear power plants - Part 4: Internal fires during power operation)
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
F65
Classification of International Standard
27.120.20
Date of Issue
2021-01-07
Date of Implementation
2021-07-01
Older Standard (superseded by this standard)
NB/T 20037.4-2013
Regulation (derived from)
National Energy Administration Announcement No. 1 of 2021
Issuing agency(ies)
National Energy Administration