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Patent:US1185143


Patent:US 1185143
Title:Combined type-writing and computing machine
Date:30.05.1916
Place:Elizabeth, NJ
Country:USA
Person:Burnham C. Stickney
Company:Underwood (P) Computing Machine Com.
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Keywords:
Link to the patent office:
(without guarantee)
 US1185143 (espacenet),  US1185143 (uspto)


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