About: http://webisa.webdatacommons.org/216520138

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 fastening ring 17-20 shown in the drawing can by way of example be made of a selfsupporting material such as for example sandwich laminate of polyurethane, polyvinyl chloride or other material with a low value of heat transfer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es