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Chinese National Standard Category: Metal processing property test method |
English Title: | Diagram of a low magnification texture blemish grading of structural steel |
Chinese Title: | 结构钢低倍组织缺陷评级图 |
Standard No.: | GB/T 1979-1980 |
Category No.: | H23 |
Issued by: | |
Issued on: | |
Implemented on: | 1981-5-1 |
Status: | superseded |
Superseded by: | GB/T 1979-2001 STANDARD diagrams for macrostructure and defect of structural steels |
Superseded on: | 2002-5-1 |
Abolished on: | 2002-05-01 |
Superseding: | |
Word Count: | 2000 words |
Similar Standards: | GB/T 15615-1995 GB 7733-1987 GB 3246-1982 GB/T 239.1-2023 GB/T 239.2-2023 GB/T 17473.7-2022 GB/T 24524-2021 GB/T 24183-2021 GB/T 2976-2020 GB/T 244-2020 GB/T 4156-2020 GB/T 25048-2019 GB/T 34477-2017 GB/T 246-2017 GB/T 32976-2016 GB/T 245-2016 GB/T 235-2013 GB/T 238-2013 YS/T 799-2012 GB/T 239.2-2012 |
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