About: http://webisa.webdatacommons.org/373799993

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	Further, there is a method in which the knocking frequency is selected to f=5 kHz to 7 kHz, f=10 kHz to 13 kHz, and f=16 kHz to 18 kHz at the time o
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com