Biotron - Negatoscope Family (2010) Biotron - Negatoscope Family (2010) from Fernando Casanova Biotron - Negatoscope Family (2010) Design of dental negatoscopes family, with unprecedented fixation system of radiographs by magnet. View Website gLike Biotron - Negatoscope Family (2010) Design of dental negatoscopes family, with unprecedented fixation system of radiographs by magnet. View Website Industrial Design Share R 7 n Fernando Casanova Manager Customer Experience Porto, Portugal Follow Contact