Inventor: Mak, Niels Johannes Cornelis
Inventor: Mak, Niels Johannes Cornelis
Inventor: Klemm, Nils, Glawe, Martin
Inventor: Hanes, Mitchell E.
Inventor: Klemm, Nils, Glawe, Martin
Inventor: Mak, Niels Johannes Cornelis
Inventor: Mak, Niels Johannes Cornelis
Inventor: Barends, Eveline