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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Application filed by IndividualfiledCriticalIndividual
Priority to ES189805ApriorityCriticalpatent/ES189805A3/en
Publication of ES189805A3publicationCriticalpatent/ES189805A3/en
ES189805A1949-09-221949-09-22
A PROCEDURE WITH THE CORRESPONDING APPARATUS, TO APPLY THE VACUUM TO THE CONCRETE WITH SUPERATMOSPHERIC PRESSURES
ExpiredES189805A3
(en)