About: http://webisa.webdatacommons.org/78751635

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	FIGURE 2 is a fragmentary elevational view of a bore hole underreamer according to this invention in position in a bore hole as it is when beginning operation to enlarge the bore hole.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr