GB/T 40177-2021
Optics and optical instruments—Ophthalmology—Graduated dial scale (English Version)
- Standard No.
- GB/T 40177-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Latest
- GB/T 40177-2021
- Scope
- This standard stipulates the angular coordinate system used in the design of scales, reticles or other display methods in human eye optical parameters and human eye corrective lens measuring instruments.
GB/T 40177-2021 history
- 2021 GB/T 40177-2021 Optics and optical instruments—Ophthalmology—Graduated dial scale
