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| inert gas; noble gas | |||
| rare gas | |||
| noble gaz | |||
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| inert gases; rare gases | |||
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gaz rare : 17 phrases in 7 subjects |
| General | 1 |
| International law | 1 |
| Nuclear physics | 6 |
| Physical sciences | 3 |
| Scientific | 1 |
| Technology | 1 |
| United Nations | 4 |
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