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Priority to ES379224ApriorityCriticalpatent/ES379224A1/en
Publication of ES379224A1publicationCriticalpatent/ES379224A1/en
Improvements introduced in fertilizer machines, characterized by carrying a vertical pipe braced to a hopper and coupled inside it, this vertical tube is equipped with an endless spindle that transports the fertilizer from the hopper to the upper tank. (Machine-translation by Google Translate, not legally binding)
ES379224A1970-04-301970-04-30Improvements introduced in the fixing machines. (Machine-translation by Google Translate, not legally binding)
ExpiredES379224A1
(en)