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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Thiery Hector
Original Assignee
Thiery Hector
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Publication date
Application filed by Thiery HectorfiledCriticalThiery Hector
Priority to ES4590ApriorityCriticalpatent/ES4590A1/es
Publication of ES4590A1publicationCriticalpatent/ES4590A1/es
Un procedimiento perfeccionado en los aparatos destinados a mantener cuerpos flotantes a una profundidad determinada por bajo de la superficie del agua.