About: http://webisa.webdatacommons.org/249461735

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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	No. 760,932 2 Claims. (Cl. 33-207) The present invention relates to levels, and pertains more particularly to a level for mounting on a hand drill for directing a drill mounted therein at different angles relative to the horizontal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com