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Patent:US4306141


Patent:US 4306141
Title:Mechanical astrological calculating device
Date:15.12.1981
Place:
Country:USA
Person:Bailey, Joan F. (280 Alto Dr., Oak View, CA 93022),
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US4306141 (espacenet),  US4306141 (uspto)


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Aus der Patentschrift US4306141