About: http://webisa.webdatacommons.org/396917099

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 relates to inspection means and in particular to a method and apparatus for determining whether light or other radiation will pass through an article such as a can end which is inspected for small openings.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com