_:n7ebc08f8768b4495a2360082be59d730xb0
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.unitronics.com/blogs/entry/144-vfds-from-unitronics-one-solution-for-control-and-automation/?tab=comments#comment-175>