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| Internationales Referenzsystem (of the International Bureau of Weights and Measures for activity measurement of γ-emitting nuclides) | |||
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international reference system : 2 phrases, 1 sujets |
| Environnement | 2 |
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| Internationales Referenzsystem (of the International Bureau of Weights and Measures for activity measurement of γ-emitting nuclides) | |||
|
international reference system : 2 phrases, 1 sujets |
| Environnement | 2 |