ili:i50747
http:| rdf: | type | |
| skos: | definition | eyeglasses having two focal lengths, one for near vision and the other for far vision |
Cross-lingual relations
| ∴dns: | linked concept | en: bifocals |
Other
| Source | http: |
∴ fully or partially logically inferred
| rdf: | type | |
| skos: | definition | eyeglasses having two focal lengths, one for near vision and the other for far vision |
| ∴dns: | linked concept | en: bifocals |
| Source | http: |
∴ fully or partially logically inferred