About: http://webisa.webdatacommons.org/247915640

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	FIG. 2 is a diagrammatic cross sectional view taken on line 2--2 in FIG. 1A of the expandable and retractable blade assembly of the present invention in the retracted mode;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com