Bisig
Moos 38,
3904 Naters (Wallis)
Switzerland
Scheffler AG
Ettiswilerstrasse 24,
6130 Willisau(Luzern)
Switzerland
Scheffler
4054 Basel (Basel-Stadt)
Switzerland
Riederer
Rütistrasse 15,
8702 Zollikon (Zürich)
Switzerland
Scheffler
secrétaire
avenue Dumas 41,
1206 Genève (Genf)
Switzerland