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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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES207340ApriorityCriticalpatent/ES207340A1/es
Publication of ES207340A1publicationCriticalpatent/ES207340A1/es
Polysaccharides And Polysaccharide Derivatives
(AREA)
Glass Compositions
(AREA)
ES207340A1953-01-211953-01-21Perfeccionamientos introducidos en obras terrestres o hidráulicas constituídas por obstáculos de claraboya
ExpiredES207340A1
(es)