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Patent:US2996978


Patent:US 2996978
Title:Memory switch for accounting machines
Date:22.08.1961
Place:Waterford und East Farmington und Rockville, Conn. und New York
Country:USA
Person:Sharpe, Arthur (P) Elmer L. Wise George K. Schulz
Company:Underwood (P) Corp.
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Link to the patent office:
(without guarantee)
 US2996978 (espacenet),  US2996978 (uspto)


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