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GB 11533-1989
GB 11533-1989 Standard logarithmic visual acuity charts
General Product Information
| Committee | Beijing Children's and Adolescents' Health Research Institute, Beijing Medical University |
|---|---|
| Document Type | National standards |
| Publisher Name | The Ministry of Health of the People's Republic of China |
| Standard Status | Replaced |
| Standard Code | GB 11533-1989 |
| CCS | School hygiene |
| ICS | Ophthalmic equipment |
| Implement Date | 1990-05-01 |
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$ 44