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Patent:US1202763


Patent:US 1202763
Title:Algebraic totaliser
Date:24.10.1916
Place:Chicago und Wilmington, DE
Country:USA
Person:Poole, Arthur (P)
Company:Wahl (P) Adding Machine Co.
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Link to the patent office:
(without guarantee)
 US1202763 (espacenet),  US1202763 (uspto)


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