9
+/-
6m
11
a
c
b
13
a´
a
c1
c2
b
Anl_TE_LD_60_SPK9_2.indb 4
Anl_TE_LD_60_SPK9_2.indb 4
2m
+/-
4m
+/-
2m + 4m + 6m = 12m
6m + 4m - 2m = 8m
c
a
b
a
c
b
a´
c
a
b
a´
a
c1
c2
b
10
1m
12
c
a
c
b
14a
- 4 -
0
1m
1m
a
b
a
c
b
04.03.2021 09:58:24
04.03.2021 09:58:24