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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Visking Corp
Original Assignee
Visking Corp
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Publication date
Application filed by Visking CorpfiledCriticalVisking Corp
Priority to ES205896ApriorityCriticalpatent/ES205896A1/es
Publication of ES205896A1publicationCriticalpatent/ES205896A1/es
Perfeccionamientos en los cabezales de las maquinas desti- nadas a la fabricacion de tubos de material plastico, forma-dos por dos capas obtenidas en el mismo proceso de extru- sion.