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Patent:US2270614


Patent:US 2270614
Title:Accounting machine
Date:20.01.1942
Place:Bridgeport, CT
Country:USA
Person:Anderson, Walter (P)
Company:Underwood (P) Elliott Fisher Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US2270614 (espacenet),  US2270614 (uspto)


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