About: http://webisa.webdatacommons.org/245252809

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	As shown in FIG. 21, the cover holder 104 is formed as a cylinder or a square cylinder made of metal material with excellent heat conductivity, such as an aluminum alloy.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com