About: http://webisa.webdatacommons.org/257094772

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	In order to ensure proper contact, the pins 720 may be biased, for example by a spring.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com