 |
| |||
| miniature valve with pressed-glass base | |||
| bantam tube; miniature tube; miniature valve; small-button bantam tube | |||
| small-button glass tube | |||
| пальчиковая лампа: 8 短语, 4 学科 |
| 媒体 | 2 |
| 技术 | 1 |
| 电气工程 | 4 |
| 自动化设备 | 1 |
|
| |||
| miniature valve with pressed-glass base | |||
| bantam tube; miniature tube; miniature valve; small-button bantam tube | |||
| small-button glass tube | |||
| пальчиковая лампа: 8 短语, 4 学科 |
| 媒体 | 2 |
| 技术 | 1 |
| 电气工程 | 4 |
| 自动化设备 | 1 |