About: http://webisa.webdatacommons.org/35006513

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	The measurement device 20 may also include sonic calipers, proximity sensors, or other sensors suitable for determining a distance between a wall of a bore hole and the expandable reamer apparatus 10.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com