"Hydrogen, argon, rare gases, nitrogen and oxygen" auf Deutsch
| Hydrogen, argon, rare gases, nitrogen and oxygen | Wasserstoff, Edelgase, Stickstoff, Sauerstoff |
Cat 1 - 1
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Cat 1 - 2 y Cat 1 - 3
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| Hydrogen, argon, rare gases, nitrogen and oxygen | Wasserstoff, Edelgase, Stickstoff, Sauerstoff |
| Cat 1 - 1
-->
| |