Legal status (The legal status 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 status listed.)
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Winkler Friedrich George
Original Assignee
Winkler Friedrich George
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Publication date
Application filed by Winkler Friedrich GeorgefiledCriticalWinkler Friedrich George
Priority to ES21735ApriorityCriticalpatent/ES21735A1/es
Publication of ES21735A1publicationCriticalpatent/ES21735A1/es
ES21735A1897-11-161897-11-16Mejoras en el procedimiento para cribar o cerner sustancias granulares, por medio del aparato que se describe.
ExpiredES21735A1
(es)
El producto industrial que resulta del conjunto de cortes, taladros y engomados especiales de los modelos que se acompañan y explican en la memoria descriptiva.