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Patent:US2710143


Patent:US 2710143
Title:Slide-Rule
Date:07.06.1955
Place:
Country:USA
Person:Hoch, F. W. (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2710143 (espacenet),  US2710143 (uspto)


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Aus der Patentschrift US2710143