| 1. | Alphanumeric character sets for optical recognition 光识别用字母字符集 |
| 2. | Alphanumeric character set 欧数字集合 |
| 3. | 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1部分: ocr - a字符集印刷图象的形状和尺寸 |
| 4. | Alphanumeric character sets for optical recognition - part 2 : character set ocr - b - shapes and dimensions of the printed image 光学识别字母数字字符集.第2部分:字符集ocr - b .印刷图像的形状和尺寸 |
| 5. | Alphanumeric character sets for optical recognition - part 1 : character set ocr - a - shapes and dimensions of the printed image 光学识别字母数字字符集.第1部分:字符集ocr - a .印刷图像的形状和尺寸 |
| 6. | 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 |