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起動 news2 nf43 (kidō) |
puesta en : 30 phrases in 11 subjects |
Cables and cable production | 1 |
Electric machinery | 1 |
Electric motors | 1 |
Electric traction | 1 |
Electronics | 5 |
General | 9 |
Power system protection | 3 |
Sound recording | 1 |
Telecommunications | 2 |
Telegraphy | 5 |
Vacuum tubes | 1 |