Descriptions for B28B and notes/indexes are displayed on this screen.


Note(s)
In this subclass, the following term is used with the meaning indicated:
    "the material" means:
      clay or other ceramic compositions;slag;mixtures with water-setting properties given by clay, cementitious material, or slag.

Subclass indexes

PRODUCING ARTICLES

Shaping articles characterised by method of production, machines therefor

1/00, 3/00, 5/00

Coating of surfaces

19/00

APPARATUS OR PROCESSES FOR TREATING OR WORKING ARTICLES

11/00

MOULDS; AUXILIARY EQUIPMENT

7/00; 13/00, 17/00

GENERAL LAYOUT OF PLANT

15/00

PRODUCTION OF TUBULAR OR REINFORCED ARTICLES

21/00, 23/00