About: http://webisa.webdatacommons.org/201131963

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 drive motor is preferably a brushless direct current motor with a permanent magnet external rotor, and has a relatively low speed, namely from 2000 to 3000 rpm, in particular 2400 to 2600 rpm, preferably 2500 rpm.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com