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Patent:US1649478


Patent:US 1649478
Title:Calculating machine
Date:15.11.1927
Place:Norwood, OH und Tonawanda, NY
Country:USA
Person:Landsiedel, Walter William (P)
Company:Remington (P) Rand Inc
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Keywords:
Link to the patent office:
(without guarantee)
 US1649478 (espacenet),  US1649478 (uspto)


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