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Patent:GB777721


Patent:GB 777721
Title:Improvements relating to marine navigational calculating devices
Date:26.06.1957
Place:
Country:Great Britain
Person:Melville, Willaim Simm (P)
Company:British Thomson Houston Co Ltd
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB777721


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Aus der Patentschrift GB777721