Description: 430 radiation imagery chemistry: process, composition, or product thereof / 430 radiation imagery chemistry: process, composition, or product thereof/(31) electric or magnetic imagery, e.g., xerography, electrography, magnetography, etc., process, composition, or product (49.1) to produce printing surface (49.4) having imagewise portion removal of radiation-sensitive imaging layer (e.g., dissolving, transfer, plasma etching, etc.) (49.41) removal of portion under imaging layer of toner area only
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