About: http://webisa.webdatacommons.org/167092997

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 bellows 60 is preferably formed of an elastomer, such as for example Viton??? or various other low durometer fluoroelastomers, and includes an opening through the center through which the gas may flow.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es