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| Chinese National Standard Category: Water supply and draining instrument and equipment |
| English Title: | Sealed board pipe stopper of sewer pipe for the air test |
| Chinese Title: | 排水管道闭气检验用板式密封管堵 |
| Standard No.: | CJ/T 3021-1993 |
| Category No.: | Q81 |
| Issued by: | MOC |
| Issued on: | 1993-5-6 |
| Implemented on: | 1992-2-1 |
| Status: | superseded |
| Superseded by: | CJ/T 473-2015 Sealed board pipe stopper of sewer pipe for the air test |
| Superseded on: | 2015-9-1 |
| Abolished on: | 2015-09-01 |
| Superseding: | |
| Word Count: | 3000 words |
| Similar Standards: | T/CECS 10200-2022 T/CAQI 41-2018 T/DZJN 133-2023 T/CAQI 40-2018 GB/T 42281-2022 GB/T 40258-2021 T/CECS 10128-2021 DB32/T 3923-2020 CJ/T 519-2018 DB43/T 1301-2017 CJ/T 47-2016 JC/T 760-2008 JC/T 758-2008 CJJ 110-2006 CJ/T 237-2006 JG/T 183-2006 SN/T 1644-2005 CJ 202-2004 CJ/T 123-2004 CJ/T 124-2004 |
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