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| Chinese National Standard Category: Argillaceous and high alumina fire resistance |
| English Title: | Fire clay refractory bricks for steel ladle linings |
| Chinese Title: | 盛钢桶用粘土衬砖 |
| Standard No.: | GB 4420-1987 |
| Category No.: | Q42 |
| Issued by: | |
| Issued on: | |
| Implemented on: | 1989-1-1 |
| Status: | superseded |
| Superseded by: | YB/T 5111-1993 Fire clay refractory bricks for steel ladle linings |
| Superseded on: | 1994-1-1 |
| Abolished on: | |
| Superseding: | |
| Word Count: | 1500 words |
| Similar Standards: | GB/T 32832-2025 GB/T 2988-2023 GB/T 32832-2016 GB/T 30759-2014 JC/T 2231-2014 GB/T 3994-2013 JC/T 638-2013 JC/T 350-2013 JC/T 2197-2013 JC/T 2159-2012 GB/T 2988-2012 YB/T 4247-2011 YB/T 5106-2009 GB/T 22590-2008 JC/T 1063-2007 YB/T 4168-2007 YB/T 4073-2007 YB/T 4134-2005 YB/T 5207-1993 YB/T 5107-2004 |
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