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Patent:US4678893


Patent:US 4678893
Title:Method and means for determining the ease with which a cow may give birth to a calv
Date:07.07.1987
Place:
Country:USA
Person:Ruble, Marshall V. (Kelley, IA)
Company:
Internal Links:Datumsrechner
Keywords:
Link to the patent office:
(without guarantee)
 US4678893 (espacenet),  US4678893 (uspto)