About: http://webisa.webdatacommons.org/211384381

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	This invention is an example of improving the coupon redeeming method and electric device related to the method.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com