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Patent:US1476197


Patent:US 1476197
Title:Calculating Machine
Date:04.12.1923
Place:
Country:USA
Person:Friden, Carl Mauritz Fredrick (P)
Company:Marchant (P)
Internal Links:Marchant Pony A, Marchant Pony B, Stellsegment
Keywords:
Link to the patent office:
(without guarantee)
 US1476197 (espacenet),  US1476197 (uspto)


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Aus der Patentschrift US1476197

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