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Patent:US1033303


Patent:US 1033303
Title:Calculator or register
Date:23.07.1912
Place:Chicago und New York
Country:USA
Person:Samuel E. Carlin
Company:Underwood (P) Typewriter Comp.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1033303 (espacenet),  US1033303 (uspto)


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