four-phase
| square-wave generator
| four-phase | |
| tech. | vierphasig |
| square wave generator | |
| gen. | Rechteckwellengenerator |
| earth.sc. el. | Impulsgeber |
| square-wave generator | |
| el. | Rechtecke-Spannungserzeuger |
| phys. | Rechteckspannungsgenerator; Rechteckwellengenerator |
| radiat. | Rechteckwellenimpulsgenerator |
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| vierphasig | |||
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four-phase : 15 phrases in 5 subjects |
| Communications | 2 |
| Electronics | 6 |
| Microelectronics | 1 |
| Technology | 5 |
| Textile industry | 1 |