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IBM 1231, 1232 Optical Mark Page Readers

Company:International Business Machines
Part:GA21-9012-3
Date:1963
Keywords:

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Address:http:/​/​bitsavers.org/​pdf/​ibm/​1401/​A21-9012-3_​1231_​opticalRdr_​1963.pdf
Site:Al Kossow's Bitsavers
Format:PDF
Size:3427380 bytes (3.3 MiB)