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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Couch Albert Charles
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Couch Albert Charles
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Application filed by Couch Albert CharlesfiledCriticalCouch Albert Charles
Priority to ES3577ApriorityCriticalpatent/ES3577A1/es
Publication of ES3577A1publicationCriticalpatent/ES3577A1/es
Un procedimiento para perfeccionar los botes sumergibles, empleando en ellos unos métodos especiales para mantener constante su densidad específica y su modo más propio de andar.