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Individual
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Individual
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Priority to ES15917ApriorityCriticalpatent/ES15917A1/es
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Moyens et appareils pour la production de force motrice au moyen de corps flottants tels que navires, bouées, etc., pour la propulsion et autres usages
Perfeccionamientos en Solaro-metros o instrumentos para observar la posición de un buque en el mar por medio de observaciones de los cuerpos astronómicos.