About: http://webisa.webdatacommons.org/411895111

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 invention contemplates different types of control systems for controlling the energization of the fluid pressure motors and the flow of the cleaning liquid in proper timed relation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com