| http://www.w3.org/ns/prov#value | - ogramming method for optical scannersUS526055317 Sep 19909 Nov 1993Metrologic Instruments, Inc.Automatic hand-supportable laser bar code symbol scanner and method of reading bar code symbols using the sameUS526055431 Oct 19919 Nov 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, such as a bar code
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