UNE-CEN ISO/TR 20573:2009 IN

Calzado. Requisitos para componentes de calzado. Tacones y tapas (ISO/TR 20573:2006)

Footwear - Performance requirements for components for footwear - Heels and top pieces (ISO/TR 20573:2006)

Chaussures - Exigences de performance pour les composants des chaussures - Talons et bonbouts (ISO/TR 20573:2006)