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Individual
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Individual
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Priority to ES0312991ApriorityCriticalpatent/ES312991A1/en
Publication of ES312991A1publicationCriticalpatent/ES312991A1/en
Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices
(AREA)
Abstract
Improvements in the manufacture of recreational boats, characterized by equipping the boat with a hollow keel made and arranged so that it can be filled with any ballast material to ensure the stability of the boat during navigation, and emptied to lighten its weight and thereby facilitate the transport of the vessel itself. (Machine-translation by Google Translate, not legally binding)
ES0312991A1965-05-041965-05-04Improvements in the manufacture of recreational vessels. (Machine-translation by Google Translate, not legally binding)
ExpiredES312991A1
(en)
Improvements in the manufacture of flexible deposits for the transportation of liquids by maritime, fluvial or lacustre (Machine-translation by Google Translate, not legally binding)