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Patent:US2647691


Patent:US 2647691
Title:Skip tabulating mechanism for accounting machines
Date:04.08.1953
Place:Trumbull, CT
Country:USA
Person:Anderson, Walter (P)
Company:Underwood (P) Computing Machine Com.
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Link to the patent office:
(without guarantee)
 US2647691 (espacenet),  US2647691 (uspto)


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