NO742890L

A device for producing graphic patterns such as inscriptions on a substrate covered with a light-sensitive layer, in particular on an oxidised aluminum sheet or on an oxidised aluminum foil stuck on to a plastic support film. The substrate is illuminated through a master pattern which has areas tran...

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Bibliographische Detailangaben
Hauptverfasser: GYGAX H-R, PEREGI G
Format: Patent
Sprache:eng
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