 |
| |||
| исследование по вопросам эксплуатации техники | |||
|
technical operations research : 2 phrases in 2 subjects |
| Name of organization | 1 |
| Soviet | 1 |
|
| |||
| исследование по вопросам эксплуатации техники | |||
|
technical operations research : 2 phrases in 2 subjects |
| Name of organization | 1 |
| Soviet | 1 |