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Patent:US3023505


Patent:US 3023505
Title:Area Measuring Instrument
Date:06.03.1962
Place:
Country:USA
Person:G. Lory
Company:
Internal Links:Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 US3023505 (espacenet),  US3023505 (uspto)


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Aus der Patentschrift US3023505