2007-11-23T13:20:47+00:00
xsd:dateTime
2007-11-23T13:20:47+00:00
xsd:dateTime
2023-04-24T13:36:01+00:00
xsd:dateTime
approved
2021-01-28T15:01:34+00:00
xsd:dateTime
26815
xsd:long
standaardisatie
normalisatie
standaardisatie