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Database: 189759 (19 Oct 2025)
NB/T 11550-2024 English PDF
Standard ID
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Standard Title (Description)
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NB/T 11550-2024
English
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3 days [Need to translate]
(Specification for confined concrete support for underground engineering)
Valid
NB/T 11550-2024
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Basic data
Standard ID
NB/T 11550-2024 (NB/T11550-2024)
Description (Translated English)
(Specification for confined concrete support for underground engineering)
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
D00
Classification of International Standard
73
Date of Issue
2024-05-24
Date of Implementation
2024-11-24
Issuing agency(ies)
National Energy Administration