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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| 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 |
China National Standards Printed |
 English PDF |
| GB/T 12053-1989 |
Alphanumeric character sets for optical recognition--Part 1:Character set OCR-A--Shapes and dimensions of the Printed image 光学识别用字母数字字符集 第一部分:OCR-A 字符集印刷图象的形状和尺寸 |
China National Standards Printed |
English PDF |
| GB/T 9311-1988 |
Adding machines and calculating machines--Keytop and Printed or displayed symbols 加法器和计算器 键顶、打印或显示符号 |
China National Standards Printed |
English PDF |
| GB/T 5489-1985 |
Printed board drawing 印制板制图 |
China National Standards Printed |
English PDF |
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