About: http://webisa.webdatacommons.org/110523481

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	The difficulties of maintenance, particularly packing and alignment, were real before the introduction of
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com