| http://www.w3.org/ns/prov#value | - rcuit and programming method for optical scannersUS5260553Sep 17, 1990Nov 9, 1993Metrologic Instruments, Inc.Automatic hand-supportable laser bar code symbol scanner and method of reading bar code symbols using the sameUS5260554Oct 31, 1991Nov 9, 1993Psc, Inc.System for automatically reading symbols, such as bar codes, on objects which are placed in the detection zone of a symbol reading unit, suc
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