About: http://webisa.webdatacommons.org/405567183

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 aforesaid coupling device works well, under severe vibrations from such environments as subways, by permitting the assembled unit to move in any one or more of the aforesaid substantially orthogonal directions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com