About: http://webisa.webdatacommons.org/441429995

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	After initiation, at S41, of the Product_Purchase sub-routine 73, the central administration server 1 sends a signal to the customer apparatus asking if the customer is an existing customer and checks, at S43, the response.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com