48-1

x1

1/1

48-2

x1

1/1

48-3

x1

1/1

48-4

x1

1/1

48-5

x1

1/1

48-6

x1

1/1

48-7

x1

1/1

48-8

x1

1/1

48-9

x1

1/1

48-10

x1

1/1