About: http://webisa.webdatacommons.org/220110783

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	VALVE ASSEMBLY Original Filed June a, 1957 5 Sheets-Sheet 5 INVENTORS 1 40.: 4 Man/v2 f1 7 ,/&}4,e4e$ ,jmzzeg United States Patent This invention relates to plug valves and particularly to stem seal arrangements.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com