About: http://webisa.webdatacommons.org/61247687

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 coupler 21 is a somewhat elongated, generally cup-shaped member which is preferably cast from a suitable metal, such as aluminum or injection molded using an appropriate plastic material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com