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Patent:US1780621


Patent:US 1780621
Title:Tabulating-machine
Date:04.11.1930
Place:Brooklyn und New York, NY
Country:USA
Person:Lasker, William Walter (P)
Company:Remington (P) Rand Inc
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Keywords:
Link to the patent office:
(without guarantee)
 US1780621 (espacenet),  US1780621 (uspto)


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