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Patent:US2988272


Patent:US 2988272
Title:Calculating Machine Drive Apparatus
Date:13.06.1961
Place:
Country:USA
Person:Bearsden
Company:Burroughs (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2988272 (espacenet),  US2988272 (uspto)


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Aus der Patentschrift US2988272