| Symbol | Typ | Titel | ||
|---|---|---|---|---|
| B | SK | SECTION B — PERFORMING OPERATIONS; TRANSPORTING | ||
| B01 | USK | SEPARATING; MIXING | ||
| B01 | KL | PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL (furnaces, kilns, ovens, retorts, in general F27) | ||
| B01B | UKL | BOILING; BOILING APPARATUS | ||
| B01B 1/00 | HGR | Boiling; Boiling apparatus for physical or chemical purposes (preparation of starch C08B 30/00; sugar industry C13; steam generation F22; domestic boilers F24) [2] | ||
| B01B 1/02 | UGR1 |
| ||
| B01B 1/04 | UGR2 |
| ||
| B01B 1/06 | UGR1 |
| ||
| B01B 1/08 | UGR1 |
|