<https://kr.element14.com/tektronix/tcp0030a/probe-current-30a-120mhz/dp/2318650>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://kr.element14.com/tektronix/tcp0030a/probe-current-30a-120mhz/dp/2318650>