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Publication of BE659848ApublicationCriticalpatent/BE659848A/xx
A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
A43B13/00—Soles; Sole-and-heel integral units
A43B13/38—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process