| http://www.w3.org/ns/prov#value | - lly 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 scannerUS5258606 *13 May 19912 Nov 1993Norand CorporationInstant portable bar code readerUS5260553 *17 Sep 19909 Nov 1993Metrologic Instruments, Inc.Automatic hand-supportable laser bar code symbol scanner and method of reading bar code symbols using the sameUS5260
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