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Patent:US1108118


Patent:US 1108118
Title:Actuating device for key set calculating machines
Date:25.08.1914
Place:Grand Rapids und Wilmington
Country:USA
Person:Barrett, Glenn (P)
Company:Barrett (P) Adding Machine Co.
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Keywords:
Link to the patent office:
(without guarantee)
 US1108118 (espacenet),  US1108118 (uspto)


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