PATENTS

 

 Likova L et al. Magnetic Head, Patent N 30903, G 11 B 5/10, Sofia, Bulgaria 

 

Likova L et al. Magnetic Head, Patent N 1164781, G 11 B 5/10, Moscow, Russia 

 

Likova L et al. Magnetic Head, Patent N 237417, G 11 B 5/10, Prague, Czech Republic