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Database: 189760 (18 Oct 2025)
TB/T 1121-1998 English PDF
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TB/T 1121-1998
: Numbering Principle for Enterprise Standard of Communication Signal
TB/T 1121: Evolution and historical versions
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Standard Title (Description)
Status
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TB/T 1121-1998
English
279
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Numbering Principle for Enterprise Standard of Communication Signal
TB/T 1121-1998
TB 1121-1975
English
RFQ
ASK
3 days [Need to translate]
(Chinese Industry Standard)
Obsolete
TB 1121-1975
PDF similar to TB/T 1121-1998
Standard similar to TB/T 1121-1998
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Basic data
Standard ID
TB/T 1121-1998 (TB/T1121-1998)
Description (Translated English)
Numbering Principle for Enterprise Standard of Communication Signal
Sector / Industry
Railway & Train Industry Standard (Recommended)
Classification of Chinese Standard
S60;S00
Word Count Estimation
8,839
Date of Issue
2/24/1998
Date of Implementation
9/1/1998
Older Standard (superseded by this standard)
TB 1121-1975
Summary
This standard specifies the establishment of railway communication principles, standards of corporate business code signal (hereinafter referred to as corporate codes) and enterprise standard number. This standard applies to the production of railway communication, signal products.