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Terms for subject Water supply containing dureté permanente | all forms | exact matches only | in specified order only
| French | German |
| dureté permanente | bleibende Härte |
| dureté permanente | Nichtkarbonathärte |
| dureté permanente de l’eau | bleibende Härte |
| dureté permanente de l’eau | Nichtkarbonathärte |