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Patent:US2098339


Patent:US 2098339
Title:Accounting machine
Date:09.11.1937
Place:Flushing, NY und New York
Country:USA
Person:Alvin E. Gray
Company:IBM (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2098339 (espacenet),  US2098339 (uspto)


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