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Patent:US1232739


Patent:US 1232739
Title:Computing machine
Date:10.07.1917
Place:New Haven, CT
Country:USA
Person:Wales, Charles (P)
Company:White Adding Machine Comp.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1232739 (espacenet),  US1232739 (uspto)


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