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| marconigraph | |||
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| aerograph | |||
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无线 电报机 : 22 phrases in 10 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 3 |
| Business | 1 |
| Communications | 1 |
| Earth sciences | 3 |
| General | 6 |
| Shipbuilding | 1 |
| Technology | 4 |
| Telecommunications | 1 |
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