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concave lens · Vinony

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EntityQ6524048· pop 10

concave lens

light transparent structure which is thin in middle and thick in its edges

Wikidata facts

Image: Concave lens.jpg

via Wikidata · CC0

Available in 10 languages

中文
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Czech
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Malay
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ไทย

via Wikidata sitelinks · CC0

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