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Database: 189759 (19 Oct 2025)
TB/T 2668-2019 English PDF
TB/T 2668: Evolution and historical versions
Standard ID
Contents [version]
USD
STEP2
[PDF] delivered in
Standard Title (Description)
Status
PDF
TB/T 2668-2019
English
RFQ
ASK
3 days [Need to translate]
(Railway occlusion - Part 2: Technical conditions for automatic inter-station occlusion)
Valid
TB/T 2668-2019
TB/T 2668-2004
English
279
Add to Cart
3 days [Need to translate]
Specification for railway automatic station block
Obsolete
TB/T 2668-2004
TB/T 2668-1995
English
199
Add to Cart
2 days [Need to translate]
(Automatic station between occlusion technical conditions)
Obsolete
TB/T 2668-1995
PDF similar to TB/T 2668-2019
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TB/T 3539
TB/T 2296
TB/T 3189
TB/T 1567.3
TB/T 1567.2
TB/T 1567.1
Basic data
Standard ID
TB/T 2668-2019 (TB/T2668-2019)
Description (Translated English)
(Railway occlusion - Part 2: Technical conditions for automatic inter-station occlusion)
Sector / Industry
Railway & Train Industry Standard (Recommended)
Classification of Chinese Standard
S63
Classification of International Standard
46.020
Date of Issue
2019-07-22
Date of Implementation
2020-02-01
Older Standard (superseded by this standard)
TB/T 2668-2004
Regulation (derived from)
Natural Resources Department Announcement No. 7 of 2019
Issuing agency(ies)
National Railway Administration