About: http://webisa.webdatacommons.org/101307993

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 base material of the top cover 5 is not limited to aluminum, and any known materials such as magnesium and titanium may be used as long as the anodic oxidation coating maybe formed thereon.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com