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Chinese Classification
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| Chinese National Standard Category: Material and component for instrument and meter |
| English Title: | Colourless optical glass |
| Chinese Title: | 无色光学玻璃 |
| Standard No.: | GB/T 903-2019 |
| Category No.: | N05 |
| Issued by: | SAMR; SAC |
| Issued on: | 2019-05-10 |
| Implemented on: | 2019-12-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB 903-1987 Colourless optical glass |
| Word Count: | 14500 words |
| Similar Standards: |
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