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| 直线性光电显像管 | |||
| 正析摄像管; 纸速电子束摄像管 | |||
| 正析象管; 正摄象管 | |||
| 正析像管 | |||
| 正析摄像管 | |||
| 正摄像管; 低速电子束摄像管 | |||
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orthicon : 29 phrases in 5 subjects |
| Advertising | 1 |
| Construction | 1 |
| Electronics | 9 |
| Radio | 4 |
| Technology | 14 |
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