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Patent:US2841889


Patent:US 2841889
Title:Projectable Slide Rule
Date:08.07.1958
Place:
Country:USA
Person:T. C. Coale et al
Company:
Internal Links:Rechenschieber
Keywords:
Link to the patent office:
(without guarantee)
 US2841889 (espacenet),  US2841889 (uspto)


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Aus der Patentschrift US2841889