Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Tas, Marius Jan
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Hoogendoorn, Cornelis Arie
Inventor: Hoogendoorn, Cornelis Arie
Inventor: Hoogendoorn, Cornelis Arie
Inventor: Konst, Johannes Wilhelmus Maria