SHADE FILM FOR PS PLATE
PURPOSE:To resolve problem of fogging of pictures observed at pictures on PS plate obtained upon development after many pictures of an original film are printed on PS plates. CONSTITUTION:This shade film is a covering film P for shading unexposed part of PS plate 3 when many pictures of the original...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To resolve problem of fogging of pictures observed at pictures on PS plate obtained upon development after many pictures of an original film are printed on PS plates. CONSTITUTION:This shade film is a covering film P for shading unexposed part of PS plate 3 when many pictures of the original film 4 are printed on PS plate 3, and the film P consists of a light shading body of plastic film having 30-100mum thickness and having many fine ruggedness. |
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