About: http://webisa.webdatacommons.org/426254744

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	The present invention is an improved apparatus and method for forming a retractable tower or column.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk