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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0050763UpriorityCriticalpatent/ES50763Y/en
Publication of ES50763UpublicationCriticalpatent/ES50763U/en
Application grantedgrantedCritical
Publication of ES50763YpublicationCriticalpatent/ES50763Y/en
An improved spring for upholstery, characterized essentially by the fact of carrying a tubular envelope of plastic material and, in general, elastic, which covers it completely except for the extreme fastening elements. (Machine-translation by Google Translate, not legally binding)
ES0050763U1955-10-271955-10-27
Perfected spring for upholstery
ExpiredES50763Y
(en)