Edge-notched card

（重定向自Edge punched card）

A notched card showing two levels of notching.

Illustration of the function of the linear homeoscope without movable partsTable of dataSearch criteriaSearch for matching data

The cards described are designed for the manual storage and retrieval of information in such a way that retrieval can be specified by logical operations.

单词	Edge punched card
释义	Edge punched card 英语百科 Edge-notched card （重定向自Edge punched card） The cards described are designed for the manual storage and retrieval of information in such a way that retrieval can be specified by logical operations.
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