About: http://webisa.webdatacommons.org/23001664

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 three mechanisms are substantially the same, except for size, and each consists of a generally rectangular chamber having slots 40 and 42 on one side thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com