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Patent:US3010652


Patent:US 3010652
Title:Direct visual readout counter
Date:28.11.1961
Place:Dayton
Country:USA
Person:Herbert M. Heuver John B. D Andrea
Company:Robert G. Heuver
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US3010652 (espacenet),  US3010652 (uspto)


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