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Patent:US2107374


Patent:US 2107374
Title:Device for calculating machines, accounting machines, writing and like machines
Date:08.02.1938
Place:
Country:USA
Person:Friedrich Ewald Heinrich Konra
Company:Wanderer (P) Werke Vorm Winklhofer
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Keywords:
Link to the patent office:
(without guarantee)
 US2107374 (espacenet),  US2107374 (uspto)


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Aus der Patentschrift US2107374