About: http://webisa.webdatacommons.org/339321391

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	Wire strands 184, 186 and 188 in the quadrifilar spring coil 181 are drawn from a typical material such as stainless steel.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com