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Patent:US2325388


Patent:US 2325388
Title:Calculating Machine
Date:27.07.1943
Place:
Country:USA
Person:Friden, Carl Mauritz Fredrick (P)
Company:Friden (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2325388 (espacenet),  US2325388 (uspto)


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