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Patent:US1080694


Patent:US 1080694
Title:Calculating-machine
Date:09.12.1913
Place:St. Louis
Country:USA
Person:Hopkins, Hubert (P)
Company:Moon-Hopkins (P) Billing Machine Co.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1080694 (espacenet),  US1080694 (uspto)


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