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Patent:US1876719


Patent:US 1876719
Title:Error key mechanism for addingmachines
Date:13.09.1932
Place:Chicago, IL
Country:USA
Person:Mehan, Thomas O. (P)
Company:Remington (P) Rand Inc
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1876719 (espacenet),  US1876719 (uspto)


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