Inventor: van Voorst, Aart
Inventor: van Voorst, Aart
Inventor: Konst, Johannes Wilhelmus Maria
Inventor: Jamieson, Richard
Inventor: Konst, Johannes Wilhelmus Maria
Inventor: Konst, Johannes Wilhelmus Maria
Inventor: Heimovaara, Sjoukje
Inventor: Heimovaara, Sjoukje
Inventor: Fulcher, Richard John
Inventor: Wulfinghoff, Robert Paul
Inventor: Heimovaara, Sjoukje
Inventor: Heimovaara, Sjoukje
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Jacobs, Henricus Cornelius Maria