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Patent:US1233699


Patent:US 1233699
Title:Bookkeeping machine
Date:17.07.1917
Place:New York
Country:USA
Person:Peirce, John Royden (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1233699 (espacenet),  US1233699 (uspto)


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