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Patent:US1130039


Patent:US 1130039
Title:Tabulating mechanism for calculating-machines
Date:02.03.1915
Place:St. Louis
Country:USA
Person:Thieme, Otto (P)
Company:Moon-Hopkins (P) Billing Machine Co.
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Keywords:
Link to the patent office:
(without guarantee)
 US1130039 (espacenet),  US1130039 (uspto)


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