About: http://webisa.webdatacommons.org/437436028

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It should be noted that, in cross-section, the via hole 45 need not be trapezoidal, but may have other shapes such as rectangular.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com