About: http://webisa.webdatacommons.org/79061801

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	A boring head as defined in claim 14, wherein said spring is a compression spring.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com