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Priority claimed from DEP37313Aexternal-prioritypatent/DE1229826B/de
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Publication of BE686921ApublicationCriticalpatent/BE686921A/fr
A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
A23K—FODDER
A23K50/00—Feeding-stuffs specially adapted for particular animals
A23K50/10—Feeding-stuffs specially adapted for particular animals for ruminants
A23K50/15—Feeding-stuffs specially adapted for particular animals for ruminants containing substances which are metabolically converted to proteins, e.g. ammonium salts or urea