About: http://webisa.webdatacommons.org/182832330

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	FIG. 2a is a side view and schematic illustration according to the invention showing a combination 100 of transmitting and reflecting gratings formed on a common surface 102 of transparent block 104.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com