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Patent:US1432256


Patent:US 1432256
Title:Calculating Machine
Date:17.10.1922
Place:
Country:USA
Person:Phinney Edgar E
Company:Monroe (P) Calculating Machine
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1432256 (espacenet),  US1432256 (uspto)


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Aus der Patentschrift US1432256