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Patent:US1192255


Patent:US 1192255
Title:Combined type-writing and computing machine
Date:25.07.1916
Place:New York
Country:USA
Person:Wright, Walter (P)
Company:Underwood (P) Computing Machine Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US1192255 (espacenet),  US1192255 (uspto)


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