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Database: 189759 (19 Oct 2025)
NB/T 11169-2023 English PDF
Standard ID
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Standard Title (Description)
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NB/T 11169-2023
English
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3 days [Need to translate]
(Technical specifications for long borehole directional drilling for underground gas drainage in coal mines)
Valid
NB/T 11169-2023
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Basic data
Standard ID
NB/T 11169-2023 (NB/T11169-2023)
Description (Translated English)
(Technical specifications for long borehole directional drilling for underground gas drainage in coal mines)
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
D09
Classification of International Standard
73.040
Date of Issue
2023-02-06
Date of Implementation
2023-08-06
Issuing agency(ies)
National Energy Administration