| |||
repeater unit | |||
repeater; telephone amplifier; telephone repeater | |||
ticking; overcoatings | |||
coverall | |||
coating |
overdrag : 15 phrases in 10 subjects |
Communications | 2 |
Electronics | 1 |
European Union | 1 |
General | 2 |
Information technology | 3 |
Materials science | 2 |
Metallurgy | 1 |
Patents | 1 |
Power lines | 1 |
Telegraphy | 1 |