DIFF Subgroup
B28B 19/0061 Full Title
Machines or methods for applying the material to surfaces to form a permanent layer thereon (making shaped articles on mandrels B28B1/30; applying liquids or other fluent materials to surfaces in general B05C; glazing or engobing C04B)
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.