Peterli
Birchwaldstrasse 5B,
8409 Winterthur (Zürich)
Switzerland
Zehnder
dipl. Klimatechn. VSHL
Birchwaldstrasse 16,
8409 Winterthur (Zürich)
Switzerland
Oswald
Birchwaldstrasse 18,
8409 Winterthur (Zürich)
Switzerland
Lüthi
Birchwaldstrasse 20,
8409 Winterthur (Zürich)
Switzerland
Heppner
Birchwaldstrasse 22,
8409 Winterthur (Zürich)
Switzerland
Muhr
Dr.
Birchwaldstrasse 27,
8409 Winterthur (Zürich)
Switzerland