About: http://webisa.webdatacommons.org/429208134

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	Preferably, there is an interface between the hard material and the seal means, and blocking walls between the recesses, to impede leakage of fluid between the needle channels at the interface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es