Inventor: Kordes, Wilhelm
Inventor: Gruppe, Werner, Schmidt, Hanna
Inventor: Kordes, Wilhelm
Inventor: Kordes, Wilhelm
Inventor: Kordes, Wilhelm
Inventor: Gruppe, Werner, Schmidt, Hanna
Inventor: Kordes, Wilhelm
Inventor: Kordes, Wilhelm
Inventor: Kordes, Wilhelm
Inventor: Kordes, Wilhelm