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Patent:US2554103


Patent:US 2554103
Title:Clearing device in calculating machines
Date:22.05.1951
Place:Atvidaberg
Country:USA
Person:Grip, Erik Konrad (P)
Company:AB Åtvidaberg Facit (P)
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Keywords:
Link to the patent office:
(without guarantee)
 US2554103 (espacenet),  US2554103 (uspto)


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