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Patent:US2012320


Patent:US 2012320
Title:Calculating Machine
Date:27.08.1935
Place:
Country:USA
Person:Racz, Ernest (P)
Company:Burroughs (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2012320 (espacenet),  US2012320 (uspto)


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Aus der Patentschrift US2012320