About: http://webisa.webdatacommons.org/6171726

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	An apparatus as defined in claim 1 wherein the maximum number of exposures on x-ray film is 2N wherein 1???N???4 and N is an integer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com