Perforating Machine IBM's first patent (issued July 25, 1911) described an invention related to punched-card tabulation.

美国专利＃998631：打孔机 IBM的第一项专利（1911年7月25日发布）介绍有关打孔卡制表的一项发明。

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At the ticket machine, I slid in my debit card, punched up the route and chose a day return.

BBC: How hardware hacking (almost) made me a fraudster