| Symbol | Typ | Titel | ||
|---|---|---|---|---|
| C | SK | SECTION C — CHEMISTRY; METALLURGY | ||
| C12 | KL | BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING | ||
| C12J | UKL | VINEGAR; ITS PREPARATION | ||
| C12J 1/00 | HGR | Vinegar; Preparation; Purification | ||
| C12J 1/02 | UGR1 |
| ||
| C12J 1/04 | UGR1 |
| ||
| C12J 1/06 | UGR1 |
| ||
| C12J 1/08 | UGR1 |
| ||
| C12J 1/10 | UGR1 |
|