BIOLOGICAL SLIMES (BIOLOGICAL WASTEWATER TREATMENT)
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BTTRICKLING FILTERS + BIOLOGICAL CONTACTORS + BIOLOGICAL FILTERS (BIOLOGICAL WASTEWATER TREATMENT)
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UDC628.353.153
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Descriptor GERBIOLOGISCHE RASEN (BIOLOGISCHE ABWASSERBEHANDLUNG)
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Descriptor ENGBIOLOGICAL SLIMES (BIOLOGICAL WASTEWATER TREATMENT)
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Descriptor FREGAZON BIOLOGIQUE (TRAITEMENT BIOLOGIQUE DES EAUX USÉES)
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Variant GERRASEN/BIOLOGISCHE RASEN (BIOLOGISCHE ABWASSERBEHANDLUNG)
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Variant ENGBIOLOGICAL FILMS (BIOLOGICAL WASTEWATER TREATMENT)
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Variant ENGSLIMES/BIOLOGICAL SLIMES (BIOLOGICAL WASTEWATER TREATMENT)
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Variant ENGFILMS/BIOLOGICAL FILMS (BIOLOGICAL WASTEWATER TREATMENT)
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RTBIOFILMS + MICROBIAL MATS (MICROBIOLOGY)
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RTPERIPHYTON (HYDROBIOLOGY)