申请人 |
ESSELTE N.V., ST. NIKLAAS, BE |
发明人 |
COLLINS, IAN, HOUGHTON, CAMBRIDGESHIRE PE17 2AY, GB;DAY, ROBERT CHARLES LEWIS, GIRTON, CAMBRIDGESHIRE CB3 0LT, GB;COOPER, ALAN RICHARD, HASLINGFIELD, CAMBRIDGESHIRE, GB;OPGENHAFFEN, ERIK, B-9100 NIEUWKERKEN MAAS, BE;HEYSE, GEERT, B-3000 LEUVEN, BE |