2 3 1m H 1 138355-61-01 1m L2 So 1m Sg 138355-61-02 4 6 5 7 L1 Fig. 1 / Abb. 1 Fig. 2 / Abb. 2 Sm D L1 L1 L2 L1 e H L1 Fig. 3 / Abb. 3 A H 138355-61-03 L2 L2 L2 H Sp