Inventor: Danziger, Gavriel
Inventor: van Heesbeen, Ad
Inventor: van Heesbeen, Ad
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Scheffers, Robertus
Inventor: Babikow, Paul David
Inventor: Scheffers, Robertus
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: van Heesbeen, Adrianus
Inventor: Danziger, Gavriel
Inventor: Korlipara, Harini
Inventor: Heinrich, Westhoff
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Houbraken, Anna M. W. P.
Inventor: Westhoff, Heinrich