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 ES157881ApriorityCriticalpatent/ES157881A1/en
Publication of ES157881A1publicationCriticalpatent/ES157881A1/en
ES157881A1942-07-131942-07-13
IMPROVEMENTS IN THE MANUFACTURE OF PIPES CONSTITUTED BY INDIVIDUAL TUBULAR PARTS AND INSURED AGAINST ALL EXTENSION
ExpiredES157881A1
(en)