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Priority to JP17886UpriorityCriticalpatent/JPS6330415Y2/ja
Publication of JPS62113538UpublicationCriticalpatent/JPS62113538U/ja
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Publication of JPS6330415Y2publicationCriticalpatent/JPS6330415Y2/ja
Casco sportivo, suscettibile di assumere, a seconda delle esigenze dell'utente, una conformazione avvolgente, con mentoniera, od una conformazione aperta, e di potere essere attrezzato, altresi', a piacere, con una visiera o con un frontino.