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IT1943787U1987-10-191987-10-19Corredata di un astuccio semirigido sporta per la spesa in polietilene entro il quale puo'essere ripiegata e conservata
IT213466Z2
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The Wearing of Spectacles and Occurence of Myopia: A Study of Wearing of Spectacles and the Prevalence and Etiology of Myopia in Different Age-groups in Central Finland