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Patent:US4678893

Brevet:	US 4678893
Titre:	Method and means for determining the ease with which a cow may give birth to a calv
Date:	07.07.1987
Lieu:
Pays:	Ètats-Unis
Personne:	Ruble, Marshall V. (Kelley, IA)
Entreprise:
Liens internes:	Datumsrechner
Mots-Clefs:
Lien à la bureau des brevets: (sans garantie)	US4678893 (espacenet),  US4678893 (uspto)

• DATUM: 07.07.1987
• TITEL: Method and means for determining the ease with which a cow may give birth to a calf
• PERSON: UNIV IOWA RES FOUND US