Inventor: van Voorst, Aart
Inventor: Lommerse, Gerardus Adrianus Petronella
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: Wulfinghoff, Robert Paul
Inventor: Heimovaara, Sjoukje
Inventor: Heimovaara, Sjoukje
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Heimovaara, Sjoukje
Inventor: Konst, Johannes Wilhelmus Maria
Inventor: Konst, Johannes Wilhelmus Maria
Inventor: Koekkoek, Arthur N. J.
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Koekkoek, Arthur N. J.
Inventor: Koekkoek, Arthur N. J.
Inventor: Konst, Johannes Wilhelmus Maria
Inventor: Konst, Johannes Wilhelmus Maria