ISO 9456:1991
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Optics and optical instruments Ophthalmic optics Marking of spectacle frames
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
12-03-2019
English, French
07-11-1991
Specifies the information to be marked and its location. Gives recommendations for further information in documentation accompanying the frames or available separately. Annex A is for information only.
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