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SAUTO HURTADO ANGEL
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SAUTO HURTADO ANGEL
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Application filed by SAUTO HURTADO ANGELfiledCriticalSAUTO HURTADO ANGEL
Priority to ES0014233UpriorityCriticalpatent/ES14233Y/es
Publication of ES14233UpublicationCriticalpatent/ES14233U/es
Application grantedgrantedCritical
Publication of ES14233YpublicationCriticalpatent/ES14233Y/es
Por un "colchón-metálico", caracterizado por que lleva en lugar de lana, borra, pluma, etc. una serie de muelles-resortes unidos todos entre sí por un alambre espiral, que hace que todos los resortes hagan entre sí un solo cuerpo.