About: http://webisa.webdatacommons.org/417976863

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	If the diameter of the rotor is at the maximum for example about 400 mm and at the minimum about 200 mm, the rotor then comprises typically about 20 grooves having a width of 6 mm.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk