GB/T 12508-1990Alphanumeric character sets for optical recognition. Part 2: Character set OCR-B. Shapes and dimensions of the printed image (English PDF)
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
November 15, 1990
Implementation date
July 1, 1991
Scope
GB/T 12508-1990 (Alphanumeric character sets for optical recognition. Part 2: Character set OCR-B. Shapes and dimensions of the printed image) is available as an English-translated PDF.
GB/T 12508-1990 — This standard specifies the alphanumeric characters for optical character recognition, graphics and symbols printed image shapes and sizes, but also for general purposes.
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Document preview — GB/T 12508-1990
National Standard of the People's Republic of China
- ICS
- 35.04
- Classification
- L 71
- Replacing
- GB 2425-1981
Issued by: State Bureau of Technical Supervision
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the alphanumeric characters for optical character recognition, graphics and symbols printed image shapes and sizes, but also for general purposes.
Document data
International classification (ICS): 35.04.
Chinese classification (CCS): L71.
Estimated length of the Chinese original: 32,336 words.
Adopted international standard: ISO 1073-2-1976, MOD.
Supersedes the earlier edition GB 2425-1981.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 21 pages — is available in the English PDF.
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GB/T 12508-1990
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