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Patent:US1876057


Patent:US 1876057
Title:Item counting mechanism for listing machines
Date:06.09.1932
Place:Chicago
Country:USA
Person:Johantgen, Oliver David (P)
Company:Victor (P) Adding Machine Co.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1876057 (espacenet),  US1876057 (uspto)


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