About: http://webisa.webdatacommons.org/344619088

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 now to the drawings, and more particularly to Figs. 1 through 4 thereof, there is provided a combination valve and plug generally designated at 10, and preferably formed of dipped or molded soft rubber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca