About: http://webisa.webdatacommons.org/424512973

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	Referring to the drawings and in particular FIGS. 1, 3 and 4 a stopper of the present invention is shown generally at 30.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk