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Patent:US2827230


Patent:US 2827230
Title:Ten key early entry and index retention mechanism
Date:18.03.1958
Place:Trumbull und New York
Country:USA
Person:Anderson, Walter (P)
Company:Underwood (P) Corp.
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Keywords:
Link to the patent office:
(without guarantee)
 US2827230 (espacenet),  US2827230 (uspto)


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