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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Rocalla SA
Original Assignee
Rocalla SA
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Publication date
Application filed by Rocalla SAfiledCriticalRocalla SA
Priority to ES140888ApriorityCriticalpatent/ES140888A1/es
Publication of ES140888A1publicationCriticalpatent/ES140888A1/es
ES140888A1935-12-281935-12-28Un perfeccionamiento en la fabricación de tubos de fibro-cemento mediante presión por recipientes hinchables.
ExpiredES140888A1
(es)