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    Patent Citations (4)

      Publication numberPublication dateAssigneeTitle
      JP-S49100939-ASeptember 24, 1974
      JP-S5231632-AMarch 10, 1977Matsushita Electric Ind Co LtdSelling amount memory unit
      JP-S544041-AJanuary 12, 1979CiiData processor system
      US-3859634-AJanuary 07, 1975Little Inc ADigital lock system having electronic key card

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