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Application filed by J Spielmann, Carl MichelfiledCriticalJ Spielmann
Publication of CH3267ApublicationCriticalpatent/CH3267A/de
El producto industrial "calzado sin costura tanto en cortes de zapatos de una sola pieza sin costura, como en cortes de chanclos y de cañas de botinas hechas sin costura y de una sola pieza".