Inventor: Geerlings Lommerse, Petronella Maria
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: de Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: De Jong, Jacobus Robertus
Inventor: de Jong, Jacobus Robertus
Inventor: Bak, Elly, Steur, Nico D. M.
Inventor: Oudshoorn, Hubertus Gerardus
Inventor: Oudshoorn, Hubertus Gerardus
Inventor: Bak, Elly, Steur, Nico D. M.