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Patent:US2620975


Patent:US 2620975
Title:Average Speed Indicator
Date:09.12.1952
Place:
Country:USA
Person:Nardone, R. M. (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2620975 (espacenet),  US2620975 (uspto)


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Aus der Patentschrift US2620975