About: http://webisa.webdatacommons.org/55543172

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 valve assembly of claim 17, said cover including an opening receiving said screw; and a single thread convolution in said opening engaged by said screw.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es