About: http://webisa.webdatacommons.org/246401648

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 legs 13 and 14 can be attached to the cross bars 19 and 20 by any suitable means such as welding or mounting brackets and bolts.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com