Inventor: Oud, Johannes Simon Nicolaas
Inventor: Hoogendoorn, Cornelis Arie
Inventor: Hoogendoorn, Cornelis Arie
Inventor: Larsen, Bjarne Nyholm
Inventor: Hoogendoorn, Cornelis Arie
Inventor: Hoogendoorn, Cornelis Arie
Inventor: Hoogendoorn, Cornelis Arie
Inventor: Hoogendoorn, Cornelis Arie
Inventor: Larsen, Bjarne Nyholm
Inventor: Goemans, Robert Adrian
Inventor: Goemans, Robert Adrian
Inventor: Hoogendoorn, Cornelis Arie