About: http://webisa.webdatacommons.org/90399258

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	Preferably the connecting means is a mechanical locking system formed at least at two opposite edges 12 a, 13 a, 12 b, 13 b.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com