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Patent:US1034756


Patent:US 1034756
Title:Thomas calculating machine with device for moving the keys
Date:06.08.1912
Place:Dresden
Country:USA
Person:Bernhard Carl M. Behr
Company:Seidel und Naumann (P)
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Keywords:
Link to the patent office:
(without guarantee)
 US1034756 (espacenet),  US1034756 (uspto)


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