4 GV524/96/K162 2552 grant 365479 to 271 LV 1 0106/2001 2552 grant 6 CP-9400820 271 LV 365479 to 1 CP-940820 10 1108 12 315760 1 CP-940820 12 315760 1 173/08 1 1/96 1 100510 1 100510 1 173/08