GB/T 15040-2021
Working standard lamps for the measurement of luminous flux
- Standard No.
- GB/T 15040-2021
- Language
- Chinese
- Release Date
- 2021
- Published By
- 國家市場監(jiān)督管理總局、中國國家標準化管理委員會
- Lastest
- GB/T 15040-2021
- Replace
- GB/T 15040-1994
GB/T 15040-2021 history
- 2021 GB/T 15040-2021 Working standard lamps for the measurement of luminous flux
- 1994 GB/T 15040-1994 Photometrle standard lamp for general lighting serviue