MEJORAS INTRODUCIDAS EN EL OBJETO DE LA PATENTE PRINCIPAL NUMERO 509.614, POR: PROCEDIMIENTO DE FABRICACION DE MATERIALES FLEXIBLES Y TRANSFERIBLES SERIGRAFICAMENTE.

摘要

Layers of paint of plastic type are superimposed on paper previously siliconised, the penultimate passage baing made with a heat-expandable product and the final passage by means of a thermo-weldable adhesive, which gives a tri-dimensional effect.