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Deprecated: Return type of YamlDataTable::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/bdavid/prod/georef/yamldoc/ydclasses/yamldata.inc.php on line 295
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inScheme:
  - 100141
  - 100271
prefLabel:
  fr: 'industrie optique'
  en: 'optical industry'
altLabel:
  en:
    - 'precision optics'
    - 'spectacle lens'
    - spectacles
    - 'contact lens'
  fr:
    - 'lentille de contact'
    - 'verre optique'
    - lunette
    - 'optique de précision'
broader:
  - 1845
related:
  - 1416
  - 3292
notation:
  - 1413