About: http://webisa.webdatacommons.org/321110660

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. 19 is a timing chart showing an operation of a conventional dynamic type semiconductor memory device.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com