About: http://webisa.webdatacommons.org/203143549

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	For simplicity, conventional clamping means, such as bolts and nuts, and conventional seals, such as O-ring seals, which are needed to provide the necessary vacuum-tightness of the chamber assembly, are not shown.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au