Inventor: van Langen, Gerard
Inventor: van Langen, Gerard
Inventor: van Langen, Gerard
Inventor: Smit, Obed Jacob
Inventor: Smit, Obed Jacob
Inventor: Ceballos, Matias Eduardo Avendano
Inventor: Kapiteijn, Antonius Simon Johannes
Inventor: Kapiteijn, Antonius Simon Johannes
Inventor: Kanazawa, Yoshiki