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: Geerlings Lommerse, Petronella Maria
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Kanazawa, Yoshiki
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus