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Priority to ES0028518UpriorityCriticalpatent/ES28518Y/es
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Publication of ES28518YpublicationCriticalpatent/ES28518Y/es
"Herramienta taladradora-roscadora", caracterizada esencialmente por una pieza metálica que tiene la parte de punta y en una medida adecuada de una broca taladradora, y seguidamente hasta su sujeción, de una parte destinada a macho de roscar.