 |
| |||
| light flux; luminous flux | |||
| strumień świetlny: 9 phrases in 7 subjects |
| Construction | 1 |
| Energy industry | 1 |
| Lighting other than cinema | 2 |
| Radio | 1 |
| Technology | 1 |
| Transport | 1 |
| Vacuum tubes | 2 |
|
| |||
| light flux; luminous flux | |||
| strumień świetlny: 9 phrases in 7 subjects |
| Construction | 1 |
| Energy industry | 1 |
| Lighting other than cinema | 2 |
| Radio | 1 |
| Technology | 1 |
| Transport | 1 |
| Vacuum tubes | 2 |