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| Chinese National Standard Category: Time measurement instrument |
| English Title: | Meteorological instrument recording cylinder with an internal clock revolving with it |
| Chinese Title: | 气象仪器用机械式钟机旋转自记钟 |
| Standard No.: | JB/T 9452-1999 |
| Category No.: | N96 |
| Issued by: | 国家机械工业局 |
| Issued on: | 1999-8-6 |
| Implemented on: | 2000-1-1 |
| Status: | superseded |
| Superseded by: | JB/T 9452-2017 Meteorological instrument. Recording cylinder with a rotary clock machine |
| Superseded on: | 2018-4-1 |
| Abolished on: | 2018-04-01 |
| Superseding: | ZB Y133-1983 ZB Y 133-1983 |
| Word Count: | 3000 words |
| Similar Standards: | SB/T 11076-2013 QB/T 2539-2002 JB/T 9452-1999 QB/T 2272-1996 DL/T 566-1995 GB/T 14256-1993 QB 1436-1992 QJ 2460-1993 |
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