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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Priority to ES17993ApriorityCriticalpatent/ES17993A1/en
Publication of ES17993A1publicationCriticalpatent/ES17993A1/en
ES17993A1895-09-241895-09-24
A process for the manufacture of an improved porous element applicable to any useful object of the arts.
ExpiredES17993A1
(en)