| |||
| 焊缝贯通法磁粉探伤 | |||
|
bar method : 18 do fraz, 7 tematyki |
| Architektura | 1 |
| Budownictwo | 1 |
| Chemia | 1 |
| Geotechnics | 1 |
| Hutnictwo | 4 |
| Rolnictwo | 1 |
| Technika i technologia | 9 |
| |||
| 焊缝贯通法磁粉探伤 | |||
|
bar method : 18 do fraz, 7 tematyki |
| Architektura | 1 |
| Budownictwo | 1 |
| Chemia | 1 |
| Geotechnics | 1 |
| Hutnictwo | 4 |
| Rolnictwo | 1 |
| Technika i technologia | 9 |