About: http://webisa.webdatacommons.org/30210903

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	A machine according to claim 16, wherein said layer is a foamed elastomer material with open or closed cells or a rubber or plastic material having an extremely low degree of hardness.18.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com