WATER SOFTENING PROCESSES (WATER TREATMENT)
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BTWATER TREATMENT PROCESSES + WATER TREATMENT INSTALLATIONS
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UDC628.162.4
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Descriptor GERWASSERENTHÄRTUNG (WASSERAUFBEREITUNG)
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Descriptor ENGWATER SOFTENING PROCESSES (WATER TREATMENT)
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Descriptor FREADOUCISSEMENT DE L'EAU (TRAITEMENT DE L'EAU)
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Variant GERENTHÄRTUNG/WASSERENTHÄRTUNG (WASSERAUFBEREITUNG)
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Variant ENGSOFTENING PROCESSES (WATER TREATMENT)
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Variant FREEAU/ADOUCISSEMENT DE L'EAU (TRAITEMENT DE L'EAU)