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Application filed by Electrocontact IntreprindfiledCriticalElectrocontact Intreprind
Priority to RO131555ApriorityCriticalpatent/RO100556A2/ro
Publication of RO100556B1publicationCriticalpatent/RO100556B1/ro
Publication of RO100556A2publicationCriticalpatent/RO100556A2/ro
Low pressure dryer for drying grannular or powdery material with vessels moved serially through filling and heating, vacuum drying and discharge stages