Patent classifications
C
CHEMISTRY; METALLURGY
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C12
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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C12J
VINEGAR; PREPARATION OR PURIFICATION THEREOF
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1/00
Vinegar; Preparation or purification thereof
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C12J1/08
Addition of flavouring ingredients
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