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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3290-1982 |
Dimensions and characteristics of magnetic tape reel for information Interchange 信息交换用磁带盘的尺寸和性能 |
China National Standards Interchange |
 English PDF |
| GB/T 2787-1981 |
Keyboard for international information processing Interchange using the 7-bit coded character set--Alpha-numeric area 信息处理交换用七位编码字符集键盘的字母数字区布局 |
China National Standards Interchange |
English PDF |
| GB 2312-1980 |
Code of Chinese graphic character setfor information Interchange--Primary set 信息交换用汉字编码字符集 基本集 |
China National Standards Interchange |
English PDF |
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