About: http://webisa.webdatacommons.org/11246521

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. 5 is a front-head rotated 90 degrees to the left view of a 3-point laser distance and angle calculator showing head with two (2) lasers atop each other, rotated to the left;
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com