About: http://webisa.webdatacommons.org/67174151

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. 4 is an assembly drawing showing the bite block with a typical tongue depressor-type airway slidably inserted through the bite block and held in operative position thereby.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com