CEN/TC 85
| Project No. | EN 1836:1997/A2:2003 |
|---|---|
| Title | Add after the first sentence: This standard specifies also requirements for filters for the direct observation of the sun (e. g. during eclipses). |
| Registration number (WIID) | 21316 |
| Scope | Add after the first sentence: This standard specifies also requirements for filters for the direct observation of the sun (e. g. during eclipses). |
| Status | Atcelts |
| ICS group | 13.340.20 |