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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2886237


Patent:US 2886237
Title:Shock Absorbing Selection Mechanism for a Calculating Machine
Date:12.05.1959
Place:
Country:USA
Person:H. J. Chall
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2886237 (espacenet),  US2886237 (uspto)


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