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Patent:US1071273


Patent:US 1071273
Title:Combined Type Writing and Computing Machine
Date:26.08.1913
Place:
Country:USA
Person:B. C. Stickney
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1071273 (espacenet),  US1071273 (uspto)


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Aus der Patentschrift US1071273