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Message * Articles On Ibm Unit Record Equipment, including Punched Card, Lace Card, Ibm 604, Ibm 550, Ibm 80 Series Card Sorters, Ibm 632, Ibm 1013, Ibm Cpc, Unit Record Equipment, Keypunch, Ibm 407, Ibm 519, Ibm 557, Tabulating Machine, Mark Sense - 1242605045 - 9781242605048