About: http://webisa.webdatacommons.org/177043681

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	In such a case, one of the ring ends is provided with both the indentation and the protruding part 7b adjacent to each other.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com