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Priority claimed from DESCH111672Dexternal-prioritypatent/DE685931C/de
Priority claimed from DESCH114170Dexternal-prioritypatent/DE685932C/de
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Publication of BE425212ApublicationCriticalpatent/BE425212A/fr
Insertion funnel for coffee machines for receiving eggs with simultaneous all-over exposure of the surface of the coffee grounds or liquid coffee extract to water