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bidireccional | |
comp., MS | tweerichtings- |
el. | in twee richtingen; duplex |
exploración : 21 phrases in 7 subjects |
Acoustics | 1 |
Antennas and waveguides | 1 |
Astronautics | 1 |
Automated equipment | 2 |
Electronics | 1 |
Information technology | 4 |
Measuring instruments | 11 |