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Patent:US3156411


Patent:US 3156411
Title:Value entering device useful for mixed numbers
Date:10.11.1964
Place:Stamford
Country:USA
Person:Joseph E. McEvoy
Company:Pitney-Bowes, Inc.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US3156411 (espacenet),  US3156411 (uspto)


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