Inventor: van Voorst, Aart
Inventor: van Voorst, Aart
Inventor: Konst, Johannes Wilhelmus Maria
Inventor: Konst, Johannes Wilhelmus Maria
Inventor: Konst, Johannes Wilhelmus Maria
Inventor: Heimovaara, Sjoukje
Inventor: Heimovaara, Sjoukje
Inventor: van de Pol, Peter
Inventor: Wulfinghoff, Robert Paul
Inventor: Heimovaara, Sjoukje
Inventor: Heimovaara, Sjoukje
Inventor: Ten Have, Theodorus C. L.
Inventor: Madsen, Christian Hald
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Heimovaara, Sjoukje
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald