<http://webisa.webdatacommons.org/13432857>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/13432857>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.co.uk> .
<http://webisa.webdatacommons.org/13432857>	<http://www.w3.org/ns/prov#value>	"A wide variety of gasket-type sealing materials including thin plastic films and/or hydrogels, may be satisfactorily used to form a gasket-type seal between the periphery of a face mask and the face of a wearer in accordance with the teachings of the present invention." .
<http://webisa.webdatacommons.org/prov/455805349>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/13432857> .