About: http://webisa.webdatacommons.org/406090749

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	That is, in the protection and guide device of the Patent Reference 2, there was a problem that the connecting rod is broken by the load applied during flexure and the service life of the guide device is shortened.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com