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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Individual
Original Assignee
Individual
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Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES216ApriorityCriticalpatent/ES216A1/es
Publication of ES216A1publicationCriticalpatent/ES216A1/es
Mejoras en la manera de taladrar o perforar pozos y en los aparatos o accesorios relacionados con dicha operación, así como para la introducción de tubos para cualquier otro objeto.