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Database: 189759 (26 Oct 2025)
YB/T 4866.2-2020 English PDF
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YB/T 4866.2-2020
: Technical specification for open-pit to underground mining of iron mine - Part 2: Cooperatively-mining technical specification
Status: Valid
Standard ID
Contents [version]
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Standard Title (Description)
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YB/T 4866.2-2020
English
149
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Technical specification for open-pit to underground mining of iron mine - Part 2: Cooperatively-mining technical specification
Valid
YB/T 4866.2-2020
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Basic data
Standard ID
YB/T 4866.2-2020 (YB/T4866.2-2020)
Description (Translated English)
Technical specification for open-pit to underground mining of iron mine - Part 2: Cooperatively-mining technical specification
Sector / Industry
Ferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard
H34
Classification of International Standard
77.140.99
Word Count Estimation
6,680
Date of Issue
2020-12-09
Date of Implementation
2021-04-01
Quoted Standard
GB 16423; YB/T 4866.1
Regulation (derived from)
Ministry of Industry and Information Technology Announcement No. 48 (2020)
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the selection and requirements of the technology for transferring iron mines from open pit to underground collaborative mining. This standard applies to iron mining enterprises.
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