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| Chinese National Standard Category: Plastic profile |
| English Title: | Unplasticized polyvinyl chloride (PVC)fittings for chemical industry |
| Chinese Title: | 化工用硬聚氯乙烯管件 |
| Standard No.: | GB 4220-1984 |
| Category No.: | G33 |
| Issued by: | |
| Issued on: | |
| Implemented on: | 1984-12-1 |
| Status: | superseded |
| Superseded by: | QB/T 3802-1999 Unplasticized polyvinyl chloride(PVC)fittings for chemical industry |
| Superseded on: | 1999-4-21 |
| Abolished on: | |
| Superseding: | |
| Word Count: | 8000 words |
| Similar Standards: | T/SHBX 011-2021 DB37/T 3379-2018 T/CSPSTC 48-2020 GB/T 9646-1988 T/SHBX 012-2021 GB/T 9643-1988 T/AQB 55-2024 GB/T 10805-1989 T/SHPTA 019-2021 GB/T 9642-1988 T/AQB 56-2024 T/SHPTA 012-2021 T/ZZB 0067-2016 T/SHPTA 007-2021 GB/T 12024-1989 GB/T 9645-1988 GB/T 15558.1-2015 GB/T 15558.1-2023 GB/T 15558.5-2023 GB/T 15558.4-2023 |
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