About: http://webisa.webdatacommons.org/131492268

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	This gap 24 is a small gap formed by the thickness t (for example t=0.3 mm) of the gasket 23, which is interposed in the connection portion between a lower end surface of the lower supporting member 13 and the cover plate 21.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com