China 'GB/T 12508-1990
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 12508-1990
Alphanumeric character sets for optical recognition--Part 2:Character set OCR-B--Shapes and dimensions of the printed image 光学识别用字母数字字符集 第二部分:OCR-B 字符集印刷图象的形状和尺寸
Issued Date:1990-11-15
Implemented Date:1991-07-01
Issued by:
The Standardization Administration of the People's Republic of China