Optische instrumenten
type: Concept
main entity of page: http://data.bibliotheken.nl/doc/thes/p101282141
main entity of page: https://koninklijkebibliotheek.triply.cc/.well-known/genid/7105a0018c90fdef33625d234c744221
broader: p078546478
editorial note: PV/GdlH
editorial note: VD
in scheme: gtt
preferred label: Optical instruments @en