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Patent:US2339089


Patent:US 2339089
Title:Centralizing Device
Date:11.01.1944
Place:
Country:USA
Person:M. D. Martin et al
Company:Marchant (P) Calculating Machine Co., CA
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2339089 (espacenet),  US2339089 (uspto)


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Aus der Patentschrift US2339089