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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Ontwikkelingmaatschappij Polynorm
Original Assignee
Ontwikkelingmaatschappij Polynorm
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Filing date
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Application filed by Ontwikkelingmaatschappij PolynormfiledCriticalOntwikkelingmaatschappij Polynorm
Priority to ES209964ApriorityCriticalpatent/ES209964A1/es
Publication of ES209964A1publicationCriticalpatent/ES209964A1/es
ES209964A1953-06-101953-06-10Nuevo sistema de barra acanalada de seccion transversal variable, de especial aplicación en estructuras de celosia
ExpiredES209964A1
(es)