Inventor: Pieters, Elien Sofie
Inventor: Kordes, Wilhelm-Alexander
Inventor: Hofmann, Birgit
Inventor: Pieters, Elien Sofie
Inventor: Pieters, Elien Sofie
Inventor: Pieters, Elien Sofie
Inventor: Hofmann, Birgit
Inventor: Hofmann, Birgit
Inventor: Hofmann, Silvia
Inventor: Hofmann, Silvia
Inventor: Hofmann, Birgit
Inventor: Hofmann, Birgit
Inventor: Hofmann, Birgit
Inventor: Hofmann, Silvia
Inventor: Pieters, Elien Sofie
Inventor: Pieters, Elien Sofie
Inventor: Pieters, Elien Sofie
Inventor: de Ruyver, Kurt
Inventor: Hachmann, Holger