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bn:03720867n
Noun Concept
Categories: Electronic documents, Archival science, Infographics, History of computing, Technical drawing
EN
aperture card
EN
An aperture card is a type of punched card with a cut-out window into which a chip of microfilm is mounted. Wikipedia
Definitions
Relations
Sources
EN
An aperture card is a type of punched card with a cut-out window into which a chip of microfilm is mounted. Wikipedia
punch card in which a piece of microfilm is mounted Wikidata
IS A
punched card
Wikipedia
EN
aperture card
Wikidata
EN
aperture card

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