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Patent:US1601398


Patent:US 1601398
Title:Designating-column mechanism for adding machines
Date:28.09.1926
Place:Cincinnati
Country:USA
Person:Landsiedel, Harry (P)
Company:Dalton (P) Adding Machine Comp.
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Link to the patent office:
(without guarantee)
 US1601398 (espacenet),  US1601398 (uspto)


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