Inventor: Koot, Johannes Adrianus Maria
Inventor: Koot, Johannes Adrianus Maria
Inventor: van Meuwen, Johannes Marinus
Inventor: Wezelenburg, Jr., Jan-Willem
Inventor: Wezelenburg, Jr., Jan-Willem
Inventor: Tuinier, Wander Durk
Inventor: Tuinier, Wander Durk
Inventor: Tuinier, Wander