About: http://webisa.webdatacommons.org/132200203

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 recessed receiving structure of the present invention is formed or disposed within a respirator, such as a helmet or full-face respirator.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au