GB/T 3908-1983
AbolishedDimensions of 80 columns punched paper cards for information processing
信息处理用80列穿孔纸卡片的尺寸
Application Summary AI generated
This standard specifies the physical dimensions and layout of 80-column punched paper cards used for data input and storage in early information processing systems. It is applied in the manufacturing and use of punched card equipment, such as card readers and punches, to ensure compatibility across different computing and tabulating machines. The standard was critical for data processing in mid-20th century business, government, and scientific computing environments before the widespread adoption of electronic storage media.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.