About: http://webisa.webdatacommons.org/16230417

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 seal is formed by one of seal glands, o-rings, flexible diaphragms or other device.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com