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Espina Costales Jaime
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Espina Costales Jaime
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Priority to ES142080ApriorityCriticalpatent/ES142080A1/en
Publication of ES142080A1publicationCriticalpatent/ES142080A1/en
ES142080A1936-04-271936-04-27
A stone manufacturing process for sharpening tools used in the field, such as scythes, beams and the like.
ExpiredES142080A1
(en)