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: Hansen, Hans A.
Inventor: Tuinier, Wander Durk
Inventor: Tuinier, Wander Durk
Inventor: Kanazawa, Yoshiki