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Patent:US2181991


Patent:US 2181991
Title:Punching machine
Date:05.12.1939
Place:West Orange, NJ und New York
Country:USA
Person:Fuller, Frederick (P)
Company:IBM (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2181991 (espacenet),  US2181991 (uspto)


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