Inventor: Danziger, Gavriel
Inventor: Uebelhart, Georg
Inventor: Rogmans, Maria, Wilhelm, Hermann-Josef
Inventor: Danziger, Gavriel
Inventor: Uebelhart, Georg
Inventor: Heinrich, Westhoff
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Houbraken, Anna M. W. P.
Inventor: Westhoff, Heinrich
Inventor: Houbraken, Anna M. W. P.