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Patent:US851089


Patent:US 851089
Title:Adding-machine
Date:23.04.1907
Place:Webster Groves, MO und St. Louis, MO
Country:USA
Person:George N. Hinchman
Company:Standard Adding Machine Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US851089 (espacenet),  US851089 (uspto)


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