About: http://webisa.webdatacommons.org/23969451

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	By applying the second scratches into the groove 18 which is slightly below the drum surface 15, printing plates (which are planar and typically are composed of materials such as aluminum so as
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com