Standard - Active |
Technical Committee : |
CEN/TC 170 : Ophthalmic optics |
start of the vote on the project | 19/06/1997 | date of ratification (dor) | 15/05/1998 | |||
end of the vote on the project | 19/08/1997 | date of anouncement (doa) | 30/09/1998 | |||
start of the vote on the final project | 29/01/1998 | date of publication (dop) | 31/12/1998 | |||
end of the vote on the final project | 29/03/1998 | date of withdrawal (dow) | 31/12/1998 |
Publication Official Journal
of the Grand-Duchy of Luxembourg |
05/11/1998 |
Reference |
Evolutions |
prEN ISO 7944 |
ILNAS-EN ISO 7944:1998/AC:2009 |
Relations to international standards |
ISO/CD 7944 |
17.180.01 : Optics and optical measurements in general |