Wikidata entity: Q117011605
| P971 | category combines topics | ... | Q24514938 (Wikidata property usage tracking category) | Wikidata property usage tracking category |
| P971 | category combines topics | ... | Q40218570 (value from Wikidata) | value from Wikidata |
| P31 | instance of | ... | Q4167836 (Wikimedia category) | Wikimedia category |
| P1659 | related property | ... | P1109 (refractive index) | refractive index |
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log id: 4433566