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Method and means for the application of the drawings, the line or to the original watercolor on the surfaces of the etching of stone, copper, zinc, wood or linoleum, as well as for their direct etching (without a photograph) on the stone, copper and zinc
Method and means for the application of the drawings, the line or to the original watercolor on the surfaces of the etching of stone, copper, zinc, wood or linoleum, as well as for their direct etching (without a photograph) on the stone, copper and zinc