About: http://webisa.webdatacommons.org/191354355

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	Optical transfer element 60 can be, for example, an optical coupler, circulator, splitter or other optical device configured to direct the multiplexed optical signal to ports 63 and 64 of transfer element 60.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com