About: http://webisa.webdatacommons.org/141108815

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 a plan view to the scale of FIG. 2, showing a relatively stiffly compliant rigidising or reinforcing back-plate component of the mask, as seen from the aspect of FIG. 2;
http://www.w3.org/ns/prov#wasQuotedFrom	google.es