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Patent:US2500935


Patent:US 2500935
Title:Chart Analyzer
Date:21.03.1950
Place:
Country:USA
Person:Deitz, J. (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2500935 (espacenet),  US2500935 (uspto)


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Aus der Patentschrift US2500935