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Patent:US2142346


Patent:US 2142346
Title:Accounting or the like machine f
Date:03.01.1939
Place:Berlin und Dayton
Country:USA
Person:Breitling, Ernst (P), Schwenk, Hans (P)
Company:NCR (P)
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Keywords:
Link to the patent office:
(without guarantee)
 US2142346 (espacenet),  US2142346 (uspto)


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