About: http://webisa.webdatacommons.org/321534580

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	Stopper lock is preferably constructed of rigid material such as plastic or metal, however the invention is not limited in that respect.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com