B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
  
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 B01J 3/00)  [2]
 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.