Base layers

Full Title

Duplicating or marking methods; Sheet materials for use therein > Thermography > characterised by the base, intermediate or covering layers; Heat, radiation filtering or absorbing means or layers; combined with layers or compositions suitable for other methods of image registration; Special originals for reproduction by thermography > Base layers

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS

Subclass:

PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING