BR7808714A - Processo e maquina de lavagem de polpa de papel e outros materiais de filtracao livre
- Google Patents
Processo e maquina de lavagem de polpa de papel e outros materiais de filtracao livre
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Publication number
BR7808714A
BR7808714ABR7808714ABR7808714ABR7808714ABR 7808714 ABR7808714 ABR 7808714ABR 7808714 ABR7808714 ABR 7808714ABR 7808714 ABR7808714 ABR 7808714ABR 7808714 ABR7808714 ABR 7808714A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority claimed from US05/853,068external-prioritypatent/US4160297A/en
Priority claimed from US05/951,540external-prioritypatent/US4246669A/en
Application filed by Envirotech CorpfiledCriticalEnvirotech Corp
Priority claimed from PCT/US1978/000165external-prioritypatent/WO1979000309A1/en
Publication of BR7808714ApublicationCriticalpatent/BR7808714A/pt