 |
| |||
| commercially pure; engineering-grade; practical grade | |||
| technisch rein: 3 phrases in 3 subjects |
| Chemistry | 1 |
| Industry | 1 |
| Nuclear physics | 1 |
|
| |||
| commercially pure; engineering-grade; practical grade | |||
| technisch rein: 3 phrases in 3 subjects |
| Chemistry | 1 |
| Industry | 1 |
| Nuclear physics | 1 |