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Application filed by Ernesto ValentefiledCriticalErnesto Valente
Application grantedgrantedCritical
Publication of AT197984BpublicationCriticalpatent/AT197984B/en
AT197984D1954-12-131955-11-19
High sensitivity float device for keeping the water level constant in a kettle, especially one of coffee machines
AT197984B
(en)