<https://www.elevatorvip.com/product/siei-otis-elevator-inverter-power-supply-unit-avo-drive-pcb-pv33-avo-7-5/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.elevatorvip.com/product/siei-otis-elevator-inverter-power-supply-unit-avo-drive-pcb-pv33-avo-7-5/>