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Patent:US2614753


Patent:US 2614753
Title:Zeroizing mechanism in calculating machines
Date:21.10.1952
Place:Zurich
Country:USA
Person:Heinrich Suter
Company:H.W. Egli (P) AG
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2614753 (espacenet),  US2614753 (uspto)


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