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Prague, CS
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2-Formylquinoxaline-1,4-dioxide cyanoacetylhydrazone and methods fo...
Patent number
4,225,604
Issue date
Sep 30, 1980
SPOFA, spojene podniky prop farmaceutickou vyrobu
Jaromir Hebky
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES