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Application filed by Mihail Preta, Radu BucurfiledCriticalMihail Preta
Priority to RO115575ApriorityCriticalpatent/RO87871B1/ro
Publication of RO87871A2publicationCriticalpatent/RO87871A2/fr
Publication of RO87871B1publicationCriticalpatent/RO87871B1/ro
Copolymere aus acrylamid und dimethylaminopropylacrylamid als flockungsmittel und verfahren zum entwaessern von klaerschlaemmen unter verwendung dieser flockungsmittel.
RESIDUAL ORGANIC MATTER IN ACTIVATED SLUDGE PROCESS EFFLUENTS VIII. SEPARATION BY MOLECULAR WEIGHTS ON SEPHADEX COLUMNS(ZBYTKOVE LATKY PO AKTIVACNIM PROCESU VIII. DELENI PODLE MOLEKULOVYCH HMOTNOSTI NA SEPHADEXECH)