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Application filed by Georges PoujoulatfiledCriticalGeorges Poujoulat
Publication of CH53179ApublicationCriticalpatent/CH53179A/en
Sewage treating apparatus comprising a receptacle having a rotatable support partially submerged in liquid therein and having a matrix of oxidizing bacteria thereon
Sewage treating apparatus comprising a receptacle having a rotatable support partially submerged in liquid therein and having a matrix of oxidizing bacteria thereon