Helium
| inwasmethode
| helium | |
| tech. | Helium |
| inwasmethode | |
| med. | Auswaschverfahren; Einwaschmethode; Fremdgasmischmethode; Gasmischmethode |
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| Helium n | |||
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Helium : 25 phrases in 8 subjects |
| Earth sciences | 2 |
| Electronics | 1 |
| Environment | 1 |
| General | 2 |
| Information technology | 2 |
| Medical | 9 |
| Physical sciences | 7 |
| Technology | 1 |