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Patent:US2282029


Patent:US 2282029
Title:Recording Device
Date:05.05.1942
Place:
Country:USA
Person: Bryce, James (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2282029 (espacenet),  US2282029 (uspto)


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Aus der Patentschrift US2282029