2 GX21-21762X 10 1108 2552 grant 365479 to 271 LV 271 LV 1 1521/3-1 1 177/08 365479 to 2552 grant 1 1/96 1 177/08 1 1/96 2 3/99 1 173/08 1 1/96 1 173/08 1 1/96 1 100510 1 173/08 1 1/96 1 100510