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Chinese National Standard Category: Heat treatment |
English Title: | Technical Specification for Quenching of Turnout Steel Rails |
Chinese Title: | 道岔钢轨件淬火技术条件 |
Standard No.: | TB/T 1779-1993 |
Category No.: | J36 |
Issued by: | Ministry of Railways |
Issued on: | 1993-4-22 |
Implemented on: | 1993-10-1 |
Status: | superseded |
Superseded by: | TB/T 2344.2-2020 Rails-Part 2: Switch and crossing rails |
Superseded on: | 2021-7-1 |
Abolished on: | |
Superseding: | TB 1779-1986 |
Word Count: | 1000 words |
Similar Standards: | QJ A 1181.2-1995 QJ A 1181.4-1995 QJ A 1181.5-1995 QJ A 1181.1-1995 QJ 2046A-2008 QJ A 1181.3-1995 GB/T 7232-2023 GB/T 22561-2023 GB/T 9452-2023 GB/T 39247-2020 GB/T 39191-2020 GB/T 39192-2020 GB/T 39194-2020 GB/T 38805-2020 GB/T 38749-2020 GB/T 38770-2020 GB/T 38751-2020 GB/T 38720-2020 GB/T 37559-2019 GB/T 37558-2019 |
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