|  | B |
SECTION B — PERFORMING OPERATIONS

SHAPING

|  | B30 |
PRESSES

|  | B30B |
PRESSES IN GENERAL (producing ultra-high pressure or ultra-high pressure and high temperature to effect modifications of a substance, e.g. for making artificial diamonds Fulltext... Hierarchy... Expanded...B01J 3/00)

|  | B30B |
Note(s) This sub-class provides for presses in general and also for those presses, for particular purposes, which are not provided for elsewhere.