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Patent:US2824691


Patent:US 2824691
Title:Actuating mechanism for calculating machines
Date:25.02.1958
Place:Ulm und Gerstetten
Country:USA
Person:Gelling, Helmut (P)
Company:Walther (P) Büromaschinen GmbH
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Link to the patent office:
(without guarantee)
 US2824691 (espacenet),  US2824691 (uspto)


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