South African SA South African materiell [...] [...] Prager Dreifuss AG RA Dr. Christoph Tagmann Schweizerhof-Pas- sage 7 3001 Bern 52 Vgl. act. [...]. 53 [...]. 54 Vgl. act. [...]; act. [...]. 55 Vgl. act. [...]; act. [...]. 56 Vgl. act. [...].