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Patent:US2452987


Patent:US 2452987
Title:Calculating machine
Date:02.11.1948
Place:Cockfosters, near Barnet, UK
Country:USA
Person:Broido, Daniel (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2452987 (espacenet),  US2452987 (uspto)


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