About: http://webisa.webdatacommons.org/4962697

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	ctions, especially to reset it in relation to a given reference direction which is usually formed by the axis of the tube in question.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com