About: http://webisa.webdatacommons.org/320643743

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	Base assembly 13, which is also shown in FIGS. 3, 4 and 7 includes a solid, generally circular frame 17 made of aluminum or other suitable material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com