ISO 1681:1973
Information processing — Unpunched paper cards — Specification
Information processing — Unpunched paper cards — Specification
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 10
- Дата публикации:
- 1 декабря 1973 г.
- Издание:
- ISO IS 1681 edition 1 version 1
- ICS:
- 35.220.10
Defines the characteristics of general-purpose unpunched paper cards to be used information interchange between different punched card devices. References: ISO/R534; ISO/R 536; ISO/R 1974; ISO/R 2144; ISO 2493; ISO 2494; ISO 2758.
Abstract
Overview
ISO 1681:1973 - Information processing - Unpunched paper cards - Specification defines the physical and material characteristics of general‑purpose unpunched paper cards intended for information interchange between different punched‑card devices. The standard specifies dimensions, paper properties, mechanical and electrical characteristics, test methods and conditioning/storage guidance to ensure reliable feeding, reading and handling across equipment.
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