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Patent:US4262939


Patent:US 4262939
Title:Slide chart manufacture
Date:21.04.1981
Place:
Country:USA
Person:Schoettle, Jr., Karl R. (1 Private Way, Strafford, PA
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US4262939 (espacenet),  US4262939 (uspto)


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Aus der Patentschrift US4262939