About: http://webisa.webdatacommons.org/13223167

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	As will be appreciated by those of ordinary skill, the upper end of coil spring 250 is affixed to the valve and/or valve stem 214 using known fastening techniques or devices, such as welding, adhesives or fasteners.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com