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Patent:US1160372


Patent:US 1160372
Title:Decimal mechanism for calculating machines
Date:16.11.1915
Place:Syracuse
Country:USA
Person:William H. Brown
Company:H.H. Franklin Mfg. Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US1160372 (espacenet),  US1160372 (uspto)


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