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| Chinese National Standard Category: Cement composite material and additives |
| English Title: | Expensive Agents for Concrete |
| Chinese Title: | 混凝土膨胀剂 |
| Standard No.: | GB 23439-2009 |
| Category No.: | Q12 |
| Issued by: | AQSIQ; SAC |
| Issued on: | March 28, 2009 |
| Implemented on: | 2010-3-1 |
| Status: | superseded |
| Superseded by: | GB/T 23439-2017 Expansive agents for concrete |
| Superseded on: | 2018-11-1 |
| Abolished on: | 2018-11-01 |
| Superseding: | JC 476-1998 Expansive agents for concrete |
| Word Count: | 4000 words |
| Similar Standards: | JC 454-1992(1996) JC 475-1992 T/CHTS 20035-2023 JC/T 475-2004 GB 2847-1981 T/DGGC 028-2023 GB/T 23265-2023 T/CECS 10314-2023 GB/T 27690-2023 GB/T 26751-2022 T/CECS 10226-2022 GB/T 38143-2019 GB/T 37990-2019 GB/T 23439-2017/XG1-2018 JG/T 566-2018 GB/T 35159-2017 GB/T 23439-2017 GB/T 8075-2017 GB/T 34557-2017 JG/T 223-2017 |
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