4 GV524/96/K162 10 1108 2552 grant 365479 to 271 LV 6 CP-9400820 1 0106/2001 2552 grant 271 LV 365479 to 10 1108 1 CP-940820 1 CP-940820 12 315760 2 3/99 1 1/96 1 173/08 1 1/96 1 1/96 1 100510 1 100510 1 173/08