About: http://webisa.webdatacommons.org/396990607

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 means disclosed herein is a compressible plug 67, best seen in FIGS. 11 and 12, made preferably of an elastomer, such as butyl rubber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es