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US3944417A Process for the electrophotographic production of printing plates 失效
印版生产印刷版的方法

Process for the electrophotographic production of printing plates
摘要:
This invention relates to an electrophotographic process for the production of a printing form which comprises electrostatically charging a supported photoconductive and photopolymerizable layer, exposing the charged layer to light under a master, developing the resulting latent image with an electroscopic material, again exposing the layer to light, and removing the developed image areas from the support.
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