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Publication of ES417602A1publicationCriticalpatent/ES417602A1/en
Procedure for realizing the skeleton of seats or other similar objects, characterized in that a concave base is made from a thermoplastic synthetic material in the form of a plate and very small in thickness, by means of the use of heat and depression from a vacuum pump, in such a way that the base element and the dorsal element are joined together, by welding or gluing. (Machine-translation by Google Translate, not legally binding)
ES417602A1972-08-071973-08-06Procedure to make the skeleton of armchairs. (Machine-translation by Google Translate, not legally binding)
ExpiredES417602A1
(en)