 |
| |||
| 含〔敷，镀〕钍钨; 涂钍钨; 镀钍钨 | |||
| 加钍钨丝 | |||
|
thoriated tungsten : 6 do fraz, 3 tematyki |
| Elektronika | 1 |
| Hutnictwo | 2 |
| Technika i technologia | 3 |
|
| |||
| 含〔敷，镀〕钍钨; 涂钍钨; 镀钍钨 | |||
| 加钍钨丝 | |||
|
thoriated tungsten : 6 do fraz, 3 tematyki |
| Elektronika | 1 |
| Hutnictwo | 2 |
| Technika i technologia | 3 |