Full Title

Duplicating or marking methods; Sheet materials for use therein (by using light-sensitive materials G03; electrography, magnetography G03G ) > Thermography (B41M5/20, B41M5/24 take precedence); > characterised by the base , intermediate, or covering layers, ; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography > characterised by the light-to-heat converting means; characterised by the heat or radiation filtering or absorbing means or layers