| 摘要 |
Composites for offset and gravure printing from colour original are obtained by coating the back of the photographic transparency with self-adhesive, superposing the transparencies using register pins, bevelling the edges of the 4-layered material, or, if the part image is not rectangular, first cutting out the shape and then bevelling the edge, separating the four colour separations and placing them on films provided with L-shaped locking sheets and transferring to assembly film. Apparatus comprises device for coating with adhesive, bevelling knife and assembly desk with ground glas screen.
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