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) [2]
B30B
Note(s)
This subclass covers:
presses in general;
those presses, for particular purposes, which are not provided for elsewhere.
B30B
Subclass index
PRESSES CHARACTERISED BY OPERATION OF PRESSING MECHANISMS