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A method making it possible to obtain, on the paper, or to the pasta of paper, combined with metals, such as lead, tin, etc, or any ornaments subjects, which gives the illusion of metals with absolute or chiselled or rotogravure, or in relief and the resulting product
A method making it possible to obtain, on the paper, or to the pasta of paper, combined with metals, such as lead, tin, etc, or any ornaments subjects, which gives the illusion of metals with absolute or chiselled or rotogravure, or in relief and the resulting product