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Patent:US2602574


Patent:US 2602574
Title:Slide Rule belt carrier
Date:08.07.1952
Place:
Country:USA
Person:Frederick Zener, George Mangold
Company:Keuffel and Esser (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2602574 (espacenet),  US2602574 (uspto)


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Aus der Patentschrift US2602574