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Patent:US1144487


Patent:US 1144487
Title:Counting Device
Date:29.06.1915
Place:
Country:USA
Person:E. G. McGinley
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1144487 (espacenet),  US1144487 (uspto)


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Aus der Patentschrift US1144487