| 摘要 |
PROBLEM TO BE SOLVED: To obtain a straight-drawing type water less lithographic printing plate original plate having improved inferior quality in a production process, having printing plate readability by high aluminum concealment properties, image reproducibility and plate durability, and having excellent quality and production efficiency.SOLUTION: Provided is a straight-drawing type water less lithographic printing plate original plate using a pre-molded synthetic resin film or sheet as a supporting substrate. |
