About: http://webisa.webdatacommons.org/70540126

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	No. 09/161,970, filed Sep. 28, 1998 by Kroeker, which is hereby incorporated by reference in its entirety. [0023] The transfer chamber 104 is generally fabricated from a single piece of material such as aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com