About: http://webisa.webdatacommons.org/168571420

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	FIG. 2 is a graph comparatively showing time change of friction coefficients of a preferred embodiment of the wear-protected device in accordance with the present invention and a conventional device without wear-protection measure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com