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Patent:US2673280


Patent:US 2673280
Title:Electrowriter
Date:23.03.1954
Place:
Country:USA
Person:Herzstark, Curt (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2673280 (espacenet),  US2673280 (uspto)


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Aus der Patentschrift US2673280