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
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Individual
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Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES60051ApriorityCriticalpatent/ES60051A1/es
Publication of ES60051A1publicationCriticalpatent/ES60051A1/es
ES60051A1915-04-031915-04-03Un sistema de pared o revestimiento doble que evita que el liquido que se filtra por un paramento salga por el otro.
ExpiredES60051A1
(es)