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Patent:US1218376


Patent:US 1218376
Title:Computing Machine
Date:06.03.1917
Place:
Country:USA
Person:J. R. Combs
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1218376 (espacenet),  US1218376 (uspto)


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Aus der Patentschrift US1218376