Inventor: van der Meer, Hans
Inventor: van der Meer, Hans
Inventor: Verduin, Harrie
Inventor: Verduin, Harrie
Inventor: van der Meer, Hans
Inventor: Verduin, Harrie
Inventor: Verduin, Harrie
Inventor: Verduin, Harrie
Inventor: Verduin, Harrie
Inventor: Verduin, Harrie
Inventor: Verduin, Harrie
Inventor: Verduin, Harrie
Inventor: Verduin, Harrie
Inventor: van der Meer, Hans
Inventor: Verduin, Harrie
Inventor: van der Meer, Hans
Inventor: van Veen, Wilhelmus Franciscus
Inventor: Roberts, Christine
Inventor: Verschoor, Adrianus
Inventor: van de Meer, Hans
Inventor: Hofmann, Silvia, Leuchtenberger, Friedhelm
Inventor: Hofmann, Silvia
Inventor: Hofmann, Silvia, Leuchtenberger, Friedhelm