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OTTONIA ETABLISEMENT
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OTTONIA ETABLISEMENT
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Priority claimed from AT220967Aexternal-prioritypatent/AT286760B/de
Priority claimed from AT710567Aexternal-prioritypatent/AT277731B/de
Priority claimed from AT710467Aexternal-prioritypatent/AT277730B/de
Application filed by OTTONIA ETABLISEMENTfiledCriticalOTTONIA ETABLISEMENT
Publication of ES351316A1publicationCriticalpatent/ES351316A1/es
Improvements in and relating to methods in the countercurrent liquid extraction of soluble matter from a comminuted material and apparatus for carrying out the methods