Extract from the Register of European Patents

EP Citations: EP1501738

Cited inInternational search
Type:Patent literature
Publication No.:JPS6160456  [X]
 (NAGAURA YOSHIAKI);
Type:Patent literature
Publication No.:US4014448  [X]
 (GREENBERG JEROME S);
Type:Patent literature
Publication No.:KR20000015596U  [A]