Submitted by Alberto Vieira (martins_vieira@ibest.com.br) on 2019-03-13T18:14:08Z No. of bitstreams: 1 45239.pdf: 1467496 bytes, checksum: a1d1753a3d7f9fcd27d812b838e86267 (MD5); Made available in DSpace on 2019-03-13T18:14:08Z (GMT). No. of bitstreams: 1 45239.pdf: 1467496 bytes, checksum: a1d1753a3d7f9fcd27d812b838e86267 (MD5) Previous issue date: 1968; Técnicas de difração de raio X e metalográficas foram ap...