<http://schema.org/contactType>
"customer service"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.surplusglobal.com/ja/marketplace/30/Agilent%2DHP3561ADynamic%2DSignal%2DAnalyzer%2DSingle%2DChannel%2D0125Hz%2D100kHz/>