About: http://webisa.webdatacommons.org/352777482

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	FIGS. 2(a) and 2(b) are diagrams of an embodiment of the ray emitting and receiving portions, in which the former is a side sectional view and the latter a plan sectional view thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com