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Individual
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Individual
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Priority to ES0318123ApriorityCriticalpatent/ES318123A1/en
Publication of ES318123A1publicationCriticalpatent/ES318123A1/en
IMPROVEMENTS IN THE MANUFACTURE OF SOMIERES, according to which the frame is formed by two longitudinal pieces and two transverse pieces, the first two presenting at their ends hooks for incorporation to the pieces of the bed, and characterized by the fact that the four mentioned pieces are tubular and they are joined together by welding, without other elements to reinforce their structure, thus determining a diaphanous rectangular area for the elastic parts of the bed base. (Machine-translation by Google Translate, not legally binding)
ES0318123A1965-10-041965-10-04Improvements in the manufacture of somieres. (Machine-translation by Google Translate, not legally binding)
ExpiredES318123A1
(en)