TB/T 447-2004Technical specification for the solid manganese steel frogs (English PDF)
高锰钢辙叉技术条件
TB/T 447 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| TB/T 447-2020 | High manganese steel frog | Valid |
| TB/T 447-2004 | Technical specification for the solid manganese steel frogs | Obsolete |
TB/T 447-2004 is obsolete. It has been replaced by TB/T 447-2020. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
Ministry of Railways
Level / Type
National · Recommended
Issue date
October 23, 2004
Implementation date
October 23, 2004
Scope
TB/T 447-2004 is the English-translated version of 高锰钢辙叉技术条件.
TB/T 447-2004 is the Chinese industry standard "Technical specification for the solid manganese steel frogs". It was issued on October 23, 2004 by the Ministry of Railways, and took effect on October 23, 2004. It is obsolete: it has been replaced by TB/T 447-2020.
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Document preview — TB/T 447-2004
National Standard of the People's Republic of China
Issued by: Ministry of Railways
Contents
- Document data
1 Document data
Sector: Railway (industry standard).
Issuing body: Ministry of Railways.
Date of issue: 2004-10-23.
Date of implementation: 2004-10-23.
Status: obsolete, replaced by TB/T 447-2020.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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