| http://www.w3.org/ns/prov#value | - Patent US5825402 - Method and appratus for reading and writing indicia such as bar codes using ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsA system for reading and writing indicia on a medium including a light source for producing a light beam; a reading element for directing the light beam at the medium so as to scan indicia disp
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