Inventor: Westhoff, Heinrich
Inventor: Westhoff, Heinrich
Inventor: Utecht, Angelika
Inventor: Westhoff, Heinrich
Inventor: Westhoff, Heinrich
Inventor: Westhoff, Heinrich
Inventor: Westhoff, Heinrich
Inventor: Westhoff, Heinrich
Inventor: Westhoff, Heinrich
Inventor: Westhoff, Heinrich
Inventor: Fischer-Toehl, Ilse
Inventor: Westhoff, Heinrich
Inventor: Kordes, Wilhelm
Inventor: Dummen, Tobias Gunter
Inventor: Utecht, Angelika