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| Chinese National Standard Category: Chemical machinery and equipment parts |
| English Title: | Elliptical quick open manholes with hinged cover - Attached drawing |
| Chinese Title: | 椭圆形回转盖快开人孔.附图 |
| Standard No.: | HG 21526-1995 |
| Category No.: | G91 |
| Issued by: | |
| Issued on: | 1995-12-28 |
| Implemented on: | 1996-3-1 |
| Status: | superseded |
| Superseded by: | HG/T 21526-2005 The oval rotary cover fast open manhole |
| Superseded on: | 2006-1-1 |
| Abolished on: | 2006-01-01 |
| Superseding: | |
| Word Count: | 3500 words |
| Similar Standards: | GB/T 29465-2023 HG/T 21600-2014 HG/T 21521-2014 HG/T 21598-2014 HG/T 21530-2014 HG/T 21532-2014 HG/T 21602-2014 HG/T 21523-2014 HG/T 21524-2014 HG/T 21516-2014 HG/T 21529-2014 HG/T 21528-2014 HG/T 21599-2014 HG/T 21518-2014 HG/T 21534-2014 HG/T 21603-2014 HG/T 21520-2014 HG/T 21519-2014 HG/T 21531-2014 HG/T 21535-2014 |
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