About: http://webisa.webdatacommons.org/309095100

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 predetermined connection object may be a pipe or a pipe connecting port of various types of devices such as a stop valve.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com