Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Kievit, Christa
Inventor: Kievit, Christa
Inventor: Kievit, Christa
Inventor: Geerlings Lommerse, Petronella Maria
Inventor: de Jong, Jacobus Robertus
Inventor: Holtmaat, Henricus Maria Joseph
Inventor: Holtmaat, Henricus Maria Joseph
Inventor: de Jong, Jacobus Robertus
Inventor: Noodelijk, Robert
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beekenkamp, Annie Cornelia
Inventor: Falcetti-Arnold, Gina M.
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus