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Patent:US2727684


Patent:US 2727684
Title:Calculating machines controlled by statistical record cards
Date:20.12.1955
Place:
Country:USA
Person:Raymond Eden Reginald
Company:Powers Samas Account Mach Ltd
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2727684 (espacenet),  US2727684 (uspto)


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Aus der Patentschrift US2727684