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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2121082


Patent:US 2121082
Title:Integrator Mechanism for Measuring Instruments
Date:21.06.1938
Place:
Country:USA
Person:T. R. Harrison
Company:
Internal Links:Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 US2121082 (espacenet),  US2121082 (uspto)


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Aus der Patentschrift US2121082