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Patent:US1524729


Patent:US 1524729
Title:Typewriter calculating machine
Date:03.02.1925
Place:Chemnitz
Country:USA
Person:Theodor Eugen Buschmann
Company:Wanderer (P) Werke vorm. Winklhofer & Jaenicke AG
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Link to the patent office:
(without guarantee)
 US1524729 (espacenet),  US1524729 (uspto)


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