| |||
| Tongenerator m; NF-Generator m; Niederfrequenz-Generator f; Niederfrequenzgenerator m; Tonfrequenzgenerator m | |||
|
low- frequency generator : 2 phrases in 2 subjects |
| Automated equipment | 1 |
| Communications | 1 |
| |||
| Tongenerator m; NF-Generator m; Niederfrequenz-Generator f; Niederfrequenzgenerator m; Tonfrequenzgenerator m | |||
|
low- frequency generator : 2 phrases in 2 subjects |
| Automated equipment | 1 |
| Communications | 1 |