2009-11-30T15:04:15+00:00
xsd:dateTime
2009-11-30T15:04:15+00:00
xsd:dateTime
2023-04-24T13:34:55+00:00
xsd:dateTime
approved
218081
xsd:long
2010-06-21T12:05:50+00:00
xsd:dateTime
optische instrumenten
optische instrumenten