About: http://webisa.webdatacommons.org/364856877

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	open position with the use of relatively simple and inexpensive structure, not requiring spring assemblies or any other types of relatively complex locking or clamping mechanisms.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com