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Patent:US1609335


Patent:US 1609335
Title:Adding machine
Date:07.12.1926
Place:New Haven und Detroit
Country:USA
Person:Wales, Charles (P)
Company:Burroughs (P) Adding Machine Comp.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1609335 (espacenet),  US1609335 (uspto)


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