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Magnetlese-Schreibkopf |
magnetic: 311 phrases in 15 subjects |
Aviation | 1 |
Chemistry | 3 |
Communications | 2 |
Earth sciences | 3 |
Electronics | 3 |
General | 20 |
Geology | 1 |
Information technology | 16 |
Medical | 2 |
Metallurgy | 2 |
Microsoft | 1 |
Nuclear physics | 1 |
Patents | 11 |
Punched cards | 1 |
Technology | 244 |