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143 - Tarjeta IBM de 12 filas y 80 columnas y ejemplo de codificación alfanumérica, 1930
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128 - IBM You can be everywhere, 1934
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190 - IBM Releasing the Humand Mind, 1949
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129 - IBM Accounting Salary Payroll (1), 1949
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129 - IBM Accounting Salary Payroll (2), 1949
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