About: http://webisa.webdatacommons.org/60894759

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	My invention is particularly designed to enable pipes to be coupled together or uncoupled with ease and facility and to dispense with the ordinary elbowcouplings usually employed when pipes are to be coupled in-an angular relation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com