..............................................................................................................................................................................................................................
.....................................................................................................................................................................................................................................
............................................................................................................................................................................................................................
2.1. Compuertas
................................................................................................................................................................................................................................
.................................................................................................................................................................................................................................
.........................................................................................................................................................................................................................................
................................................................................................................................................................................
...................................................................................................................................................................
..................................................................................................................................................................................................
..........................................................................................................................................................................................................
.....................................................................................................................................................................
.....................................................................................................................................................................
...............................................................................................................................................................................
..................................................................................................................................
..........................................................................................................................................................................................
......................................................................................................................................................................
........................................................................................................................................................................
............................................................................................................................................................................
..............................................................................................................................................
......................................................................................................................................................................................
.................................................................................................................................................................
....................................................................................................................................................
.........................................................................................................................................
.....................................................................................................................................
......................................................................................................................................................................
........................................................................................................................
..................................................................................................................
.................................................................................................
......................................................................................................................
.........................................................................................
.....................................................
.........................................................................................................
...........................................................................................
.......................................................................................
SR/versión de 1
o
de septiembre de 2004
19
19
19
19
20
20
20
20
20
21
22
22
22
22
22
22
22
22
23
23
23
23
23
23
24
25
25
.......
25
26
26
.......................
26
26
27
27
28
29
5