About: http://webisa.webdatacommons.org/226396767

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	FIG. 4C is a front view which shows the structure in which the spacers 17 are integrally formed with two wall faces, and on the bottom face, four hooking assemble feet 21 are provided as coupling nails.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca