About: http://webisa.webdatacommons.org/132645728

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 difference between the maximum and the minimum of the thickness in the widthwise direction is at most 3 ??m, and especially at most 2 ??m.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com