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Patent:US1933308


Patent:US 1933308
Title:Split automatic control system for tabulators
Date:31.10.1933
Place:Bloomfield, NJ und New York
Country:USA
Person:Bryce, James (P)
Company:IBM (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1933308 (espacenet),  US1933308 (uspto)


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