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Patent:US1012607


Patent:US 1012607
Title:Computing-machine
Date:26.12.1911
Place:New York
Country:USA
Person:Degener, Gustave O. (P)
Company:Underwood (P) Computing Machine Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US1012607 (espacenet),  US1012607 (uspto)


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