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| Position: Chinese Standard in English/DB11/ 420-2007 |
| DB11/ 420-2007 (English Version) | |||
| Standard No.: | DB11/ 420-2007 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | Price(USD): | remind me the price change | |
| Implemented on: | 2007-3-15 | Delivery: | |
| Standard No.: | DB11/ 420-2007 |
| Chinese Name: | 电梯安装、改造、重大维修和维护保养自检规则 |
| Professional Classification: | DB Provincial Standard |
| Issued by: | Beijing Bureau of Quality and Technical Supervision |
| Issued on: | 2007-01-11 |
| Implemented on: | 2007-3-15 |
| Status: | superseded |
| Superseded by: | DB11/T 420-2019 |
| Superseded on: | 2019-7-1 |
| Language: | English |
| File Format: |